102110111112 has 64 divisors (see below), whose sum is σ = 263568015360. Its totient is φ = 32931489600.

The previous prime is 102110111093. The next prime is 102110111177. The reversal of 102110111112 is 211111011201.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 4126537 + ... + 4151207.

It is an arithmetic number, because the mean of its divisors is an integer number (4118250240).

Almost surely, 2^102110111112 is an apocalyptic number.

102110111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102110111112 is an abundant number, since it is smaller than the sum of its proper divisors (161457904248).

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

102110111112 is a wasteful number, since it uses less digits than its factorization.

102110111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30274 (or 30270 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 102110111112 its reverse (211111011201), we get a palindrome (313221122313).

The spelling of 102110111112 in words is "one hundred two billion, one hundred ten million, one hundred eleven thousand, one hundred twelve".