111112110112012 has 24 divisors (see below), whose sum is σ = 201180107288160. Its totient is φ = 53632629429120.

The previous prime is 111112110111997. The next prime is 111112110112021. The reversal of 111112110112012 is 210211011211111.

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, 67934689 + ... + 69551032.

It is an arithmetic number, because the mean of its divisors is an integer number (8382504470340).

Almost surely, 2^{111112110112012} is an apocalyptic number.

It is an amenable number.

111112110112012 is a deficient number, since it is larger than the sum of its proper divisors (90067997176148).

111112110112012 is a wasteful number, since it uses less digits than its factorization.

111112110112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137492721 (or 137492719 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111112110112012 its reverse (210211011211111), we get a palindrome (321323121323123).

The spelling of 111112110112012 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred ten million, one hundred twelve thousand, twelve".