111100112120 has 64 divisors (see below), whose sum is σ = 251380752480. Its totient is φ = 44190429696.

The previous prime is 111100112083. The next prime is 111100112147. The reversal of 111100112120 is 21211001111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24165662 + ... + 24170258.

Almost surely, 2^111100112120 is an apocalyptic number.

111100112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111100112120 is an abundant number, since it is smaller than the sum of its proper divisors (140280640360).

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

111100112120 is a wasteful number, since it uses less digits than its factorization.

111100112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7872 (or 7868 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111100112120 its reverse (21211001111), we get a palindrome (132311113231).

The spelling of 111100112120 in words is "one hundred eleven billion, one hundred million, one hundred twelve thousand, one hundred twenty".