21112003222313 has 48 divisors (see below), whose sum is σ = 22828753584000. Its totient is φ = 19454896161792.

The previous prime is 21112003222309. The next prime is 21112003222337. The reversal of 21112003222313 is 31322230021112.

It is not a de Polignac number, because 21112003222313 - 2² = 21112003222309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21112003222813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14084057438 + ... + 14084058936.

It is an arithmetic number, because the mean of its divisors is an integer number (475599033000).

Almost surely, 2^{21112003222313} is an apocalyptic number.

It is an amenable number.

21112003222313 is a deficient number, since it is larger than the sum of its proper divisors (1716750361687).

21112003222313 is a wasteful number, since it uses less digits than its factorization.

21112003222313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21112003222313 its reverse (31322230021112), we get a palindrome (52434233243425).

The spelling of 21112003222313 in words is "twenty-one trillion, one hundred twelve billion, three million, two hundred twenty-two thousand, three hundred thirteen".