120111112 has 32 divisors (see below), whose sum is σ = 253612800. Its totient is φ = 52833600.

The previous prime is 120111073. The next prime is 120111163. The reversal of 120111112 is 211111021.

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, 19287 + ... + 24742.

It is an arithmetic number, because the mean of its divisors is an integer number (7925400).

Almost surely, 2^120111112 is an apocalyptic number.

It is an amenable number.

120111112 is an abundant number, since it is smaller than the sum of its proper divisors (133501688).

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

120111112 is a wasteful number, since it uses less digits than its factorization.

120111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44077 (or 44073 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 120111112 is about 10959.5215224023. The cubic root of 120111112 is about 493.3946044344.

Adding to 120111112 its reverse (211111021), we get a palindrome (331222133).

Subtracting 120111112 from its reverse (211111021), we obtain a palindrome (90999909).

The spelling of 120111112 in words is "one hundred twenty million, one hundred eleven thousand, one hundred twelve".