22112021313 has 48 divisors (see below), whose sum is σ = 34203536640. Its totient is φ = 13731379200.

The previous prime is 22112021299. The next prime is 22112021339. The reversal of 22112021313 is 31312021122.

It is not a de Polignac number, because 22112021313 - 2¹² = 22112017217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22112021383) 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, 5353233 + ... + 5357361.

It is an arithmetic number, because the mean of its divisors is an integer number (712573680).

Almost surely, 2^22112021313 is an apocalyptic number.

22112021313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22112021313 is a deficient number, since it is larger than the sum of its proper divisors (12091515327).

22112021313 is a wasteful number, since it uses less digits than its factorization.

22112021313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830 (or 4827 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22112021313 its reverse (31312021122), we get a palindrome (53424042435).

The spelling of 22112021313 in words is "twenty-two billion, one hundred twelve million, twenty-one thousand, three hundred thirteen".