112221100120 has 32 divisors (see below), whose sum is σ = 252518469120. Its totient is φ = 44884707840.

The previous prime is 112221100087. The next prime is 112221100177. The reversal of 112221100120 is 21001122211.

It is a self number, because there is not a number n which added to its sum of digits gives 112221100120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398569 + ... + 619111.

It is an arithmetic number, because the mean of its divisors is an integer number (7891202160).

Almost surely, 2^112221100120 is an apocalyptic number.

112221100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112221100120 is an abundant number, since it is smaller than the sum of its proper divisors (140297369000).

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

112221100120 is a wasteful number, since it uses less digits than its factorization.

112221100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233275 (or 233271 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112221100120 its reverse (21001122211), we get a palindrome (133222222331).

The spelling of 112221100120 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred thousand, one hundred twenty".