2131110112 has 24 divisors (see below), whose sum is σ = 4223418192. Its totient is φ = 1058496000.

The previous prime is 2131110061. The next prime is 2131110133. The reversal of 2131110112 is 2110111312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2131110092 and 2131110101.

It is a congruent number.

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, 215689 + ... + 225352.

It is an arithmetic number, because the mean of its divisors is an integer number (175975758).

Almost surely, 2^2131110112 is an apocalyptic number.

It is an amenable number.

2131110112 is a deficient number, since it is larger than the sum of its proper divisors (2092308080).

2131110112 is a wasteful number, since it uses less digits than its factorization.

2131110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441202 (or 441194 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 2131110112 is about 46163.9481847036. The cubic root of 2131110112 is about 1286.8718372501.

Adding to 2131110112 its reverse (2110111312), we get a palindrome (4241221424).

The spelling of 2131110112 in words is "two billion, one hundred thirty-one million, one hundred ten thousand, one hundred twelve".