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11222102222220 = 22353733911490711
BaseRepresentation
bin1010001101001101100101…
…1010101010010110001100
31110201211012121011120210210
42203103121122222112030
52432330331132102340
635511210153002420
72235525104005101
oct243233132522614
943654177146723
1011222102222220
1136372a316586a
121312b033b3410
13635316806316
142ab21cc06aa8
15146da5200180
hexa34d96aa58c

11222102222220 has 96 divisors (see below), whose sum is σ = 32280664743936. Its totient is φ = 2910819974400.

The previous prime is 11222102222141. The next prime is 11222102222251. The reversal of 11222102222220 is 2222220122211.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6782665 + ... + 8273375.

It is an arithmetic number, because the mean of its divisors is an integer number (336256924416).

Almost surely, 211222102222220 is an apocalyptic number.

11222102222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222102222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16140332371968).

11222102222220 is an abundant number, since it is smaller than the sum of its proper divisors (21058562521716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222102222220 is a wasteful number, since it uses less digits than its factorization.

11222102222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494151 (or 1494149 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11222102222220 its reverse (2222220122211), we get a palindrome (13444322344431).

The spelling of 11222102222220 in words is "eleven trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 3391 6782 10173 13564 16955 20346 33910 40692 50865 67820 101730 125467 203460 250934 376401 501868 627335 752802 1254670 1490711 1505604 1882005 2509340 2981422 3764010 4472133 5962844 7453555 7528020 8944266 14907110 17888532 22360665 29814220 44721330 55156307 89442660 110312614 165468921 220625228 275781535 330937842 551563070 661875684 827344605 1103126140 1654689210 3309378420 5055001001 10110002002 15165003003 20220004004 25275005005 30330006006 50550010010 60660012012 75825015015 101100020020 151650030030 187035037037 303300060060 374070074074 561105111111 748140148148 935175185185 1122210222222 1870350370370 2244420444444 2805525555555 3740700740740 5611051111110 11222102222220