111010123112 has 16 divisors (see below), whose sum is σ = 237878835360. Its totient is φ = 47575767024.

The previous prime is 111010123109. The next prime is 111010123193. The reversal of 111010123112 is 211321010111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991161758 + ... + 991161869.

It is an arithmetic number, because the mean of its divisors is an integer number (14867427210).

Almost surely, 2^111010123112 is an apocalyptic number.

It is an amenable number.

111010123112 is an abundant number, since it is smaller than the sum of its proper divisors (126868712248).

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

111010123112 is a wasteful number, since it uses less digits than its factorization.

111010123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982323640 (or 1982323636 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111010123112 its reverse (211321010111), we get a palindrome (322331133223).

The spelling of 111010123112 in words is "one hundred eleven billion, ten million, one hundred twenty-three thousand, one hundred twelve".