1021110311312 has 60 divisors (see below), whose sum is σ = 2448334278720. Its totient is φ = 403955720064.

The previous prime is 1021110311267. The next prime is 1021110311357. The reversal of 1021110311312 is 2131130111201.

It is an interprime number because it is at equal distance from previous prime (1021110311267) and next prime (1021110311357).

It is a super-2 number, since 2×1021110311312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26954612 + ... + 26992467.

It is an arithmetic number, because the mean of its divisors is an integer number (40805571312).

Almost surely, 2^{1021110311312} is an apocalyptic number.

It is an amenable number.

1021110311312 is an abundant number, since it is smaller than the sum of its proper divisors (1427223967408).

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

1021110311312 is a wasteful number, since it uses less digits than its factorization.

1021110311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53947120 (or 53947101 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1021110311312 its reverse (2131130111201), we get a palindrome (3152240422513).

The spelling of 1021110311312 in words is "one trillion, twenty-one billion, one hundred ten million, three hundred eleven thousand, three hundred twelve".