20113130231112 has 64 divisors (see below), whose sum is σ = 50304300552000. Its totient is φ = 6701514061824.

The previous prime is 20113130231083. The next prime is 20113130231123. The reversal of 20113130231112 is 21113203131102.

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, 687778363 + ... + 687807605.

It is an arithmetic number, because the mean of its divisors is an integer number (786004696125).

Almost surely, 2^{20113130231112} is an apocalyptic number.

It is an amenable number.

20113130231112 is an abundant number, since it is smaller than the sum of its proper divisors (30191170320888).

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

20113130231112 is a wasteful number, since it uses less digits than its factorization.

20113130231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40510 (or 40506 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 20113130231112 its reverse (21113203131102), we get a palindrome (41226333362214).

The spelling of 20113130231112 in words is "twenty trillion, one hundred thirteen billion, one hundred thirty million, two hundred thirty-one thousand, one hundred twelve".