2110111312 has 10 divisors (see below), whose sum is σ = 4088340698. Its totient is φ = 1055055648.

The previous prime is 2110111303. The next prime is 2110111319. The reversal of 2110111312 is 2131110112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2105341456 + 4769856 = 45884^2 + 2184^2 .

It is a super-2 number, since 2×2110111312² = 8905139498060722688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2110111292 and 2110111301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110111319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65940963 + ... + 65940994.

Almost surely, 2^2110111312 is an apocalyptic number.

It is an amenable number.

2110111312 is a deficient number, since it is larger than the sum of its proper divisors (1978229386).

2110111312 is a wasteful number, since it uses less digits than its factorization.

2110111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131881965 (or 131881959 counting only the distinct ones).

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

The square root of 2110111312 is about 45935.9479275219. The cubic root of 2110111312 is about 1282.6311664475.

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

The spelling of 2110111312 in words is "two billion, one hundred ten million, one hundred eleven thousand, three hundred twelve".