22013113111021 has 32 divisors (see below), whose sum is σ = 22803288963840. Its totient is φ = 21236990745600.

The previous prime is 22013113110899. The next prime is 22013113111081. The reversal of 22013113111021 is 12011131131022.

It is not a de Polignac number, because 22013113111021 - 2⁷ = 22013113110893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22013113111021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013113111081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3246289651 + ... + 3246296431.

It is an arithmetic number, because the mean of its divisors is an integer number (712602780120).

Almost surely, 2^{22013113111021} is an apocalyptic number.

It is an amenable number.

22013113111021 is a deficient number, since it is larger than the sum of its proper divisors (790175852819).

22013113111021 is a wasteful number, since it uses less digits than its factorization.

22013113111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9157.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 22013113111021 its reverse (12011131131022), we get a palindrome (34024244242043).

The spelling of 22013113111021 in words is "twenty-two trillion, thirteen billion, one hundred thirteen million, one hundred eleven thousand, twenty-one".