10311222112 has 24 divisors (see below), whose sum is σ = 20486466000. Its totient is φ = 5108310144.

The previous prime is 10311222073. The next prime is 10311222179. The reversal of 10311222112 is 21122211301.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 1474612 + ... + 1481587.

It is an arithmetic number, because the mean of its divisors is an integer number (853602750).

Almost surely, 2^10311222112 is an apocalyptic number.

It is an amenable number.

10311222112 is a deficient number, since it is larger than the sum of its proper divisors (10175243888).

10311222112 is a wasteful number, since it uses less digits than its factorization.

10311222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956318 (or 2956310 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10311222112 its reverse (21122211301), we get a palindrome (31433433413).

The spelling of 10311222112 in words is "ten billion, three hundred eleven million, two hundred twenty-two thousand, one hundred twelve".