2113231110312 has 64 divisors (see below), whose sum is σ = 6037951449600. Its totient is φ = 603765489600.

The previous prime is 2113231110253. The next prime is 2113231110359. The reversal of 2113231110312 is 2130111323112.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7977187 + ... + 8237837.

It is an arithmetic number, because the mean of its divisors is an integer number (94342991400).

Almost surely, 2^{2113231110312} is an apocalyptic number.

It is an amenable number.

2113231110312 is an abundant number, since it is smaller than the sum of its proper divisors (3924720339288).

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

2113231110312 is a wasteful number, since it uses less digits than its factorization.

2113231110312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308926 (or 308922 counting only the distinct ones).

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

Adding to 2113231110312 its reverse (2130111323112), we get a palindrome (4243342433424).

The spelling of 2113231110312 in words is "two trillion, one hundred thirteen billion, two hundred thirty-one million, one hundred ten thousand, three hundred twelve".