31101122110112 has 24 divisors (see below), whose sum is σ = 63205506225792. Its totient is φ = 15048930052800.

The previous prime is 31101122110103. The next prime is 31101122110133. The reversal of 31101122110112 is 21101122110113.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15675967814 + ... + 15675969797.

It is an arithmetic number, because the mean of its divisors is an integer number (2633562759408).

Almost surely, 2^{31101122110112} is an apocalyptic number.

31101122110112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31101122110112 is an abundant number, since it is smaller than the sum of its proper divisors (32104384115680).

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

31101122110112 is a wasteful number, since it uses less digits than its factorization.

31101122110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31351937652 (or 31351937644 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 31101122110112 its reverse (21101122110113), we get a palindrome (52202244220225).

Subtracting from 31101122110112 its reverse (21101122110113), we obtain a palindrome (9999999999999).

The spelling of 31101122110112 in words is "thirty-one trillion, one hundred one billion, one hundred twenty-two million, one hundred ten thousand, one hundred twelve".