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201101110220 = 22510055055511
BaseRepresentation
bin1011101101001010001…
…1110110101111001100
3201020002002012212202102
42323102203312233030
511243323341011340
6232215022414232
720346321142613
oct2732243665714
9636062185672
10201101110220
117831737464a
1232b84431378
1315c6b49b29a
149a3a42c87a
15536ee79215
hex2ed28f6bcc

201101110220 has 12 divisors (see below), whose sum is σ = 422312331504. Its totient is φ = 80440444080.

The previous prime is 201101110181. The next prime is 201101110237. The reversal of 201101110220 is 22011101102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027527736 + ... + 5027527775.

It is an arithmetic number, because the mean of its divisors is an integer number (35192694292).

Almost surely, 2201101110220 is an apocalyptic number.

201101110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101110220 is an abundant number, since it is smaller than the sum of its proper divisors (221211221284).

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

201101110220 is a wasteful number, since it uses less digits than its factorization.

201101110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055055520 (or 10055055518 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201101110220 its reverse (22011101102), we get a palindrome (223112211322).

The spelling of 201101110220 in words is "two hundred one billion, one hundred one million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10055055511 20110111022 40220222044 50275277555 100550555110 201101110220