22013021123 has 16 divisors (see below), whose sum is σ = 22396133760. Its totient is φ = 21632832000.

The previous prime is 22013021111. The next prime is 22013021131. The reversal of 22013021123 is 32112031022.

It is a cyclic number.

It is not a de Polignac number, because 22013021123 - 2⁸ = 22013020867 is a prime.

It is a super-2 number, since 2×22013021123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22013021143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25685711 + ... + 25686567.

It is an arithmetic number, because the mean of its divisors is an integer number (1399758360).

Almost surely, 2^22013021123 is an apocalyptic number.

22013021123 is a deficient number, since it is larger than the sum of its proper divisors (383112637).

22013021123 is an equidigital number, since it uses as much as digits as its factorization.

22013021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22013021123 its reverse (32112031022), we get a palindrome (54125052145).

The spelling of 22013021123 in words is "twenty-two billion, thirteen million, twenty-one thousand, one hundred twenty-three".