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112221110210021 = 1368758687139709
BaseRepresentation
bin11001100001000010000011…
…011010010000110111100101
3112201100020022010021002122222
4121201002003122100313211
5104202112313203210041
61034401355532002125
732431464504014501
oct3141020332206745
9481306263232588
10112221110210021
113283678412a43a
1210705252900345
134a80536546617
141d9d7603d3301
15ce91de0d174b
hex661083690de5

112221110210021 has 8 divisors (see below), whose sum is σ = 112232024970240. Its totient is φ = 112210195873968.

The previous prime is 112221110209987. The next prime is 112221110210119. The reversal of 112221110210021 is 120012011122211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112221110210021 - 226 = 112221043101157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221110290021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803179115 + ... + 803318823.

It is an arithmetic number, because the mean of its divisors is an integer number (14029003121280).

Almost surely, 2112221110210021 is an apocalyptic number.

It is an amenable number.

112221110210021 is a deficient number, since it is larger than the sum of its proper divisors (10914760219).

112221110210021 is a wasteful number, since it uses less digits than its factorization.

112221110210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212083.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112221110210021 its reverse (120012011122211), we get a palindrome (232233121332232).

The spelling of 112221110210021 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred ten million, two hundred ten thousand, twenty-one".

Divisors: 1 13687 58687 139709 803248969 1912197083 8199102083 112221110210021