22121323330031 has 16 divisors (see below), whose sum is σ = 22534351044480. Its totient is φ = 21712141484640.

The previous prime is 22121323330003. The next prime is 22121323330033. The reversal of 22121323330031 is 13003332312122.

It is a cyclic number.

It is not a de Polignac number, because 22121323330031 - 2¹⁴ = 22121323313647 is a prime.

It is a super-2 number, since 2×22121323330031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121323330033) 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, 214862636 + ... + 214965566.

It is an arithmetic number, because the mean of its divisors is an integer number (1408396940280).

Almost surely, 2^{22121323330031} is an apocalyptic number.

22121323330031 is a deficient number, since it is larger than the sum of its proper divisors (413027714449).

22121323330031 is a wasteful number, since it uses less digits than its factorization.

22121323330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121574.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 22121323330031 its reverse (13003332312122), we get a palindrome (35124655642153).

The spelling of 22121323330031 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred twenty-three million, three hundred thirty thousand, thirty-one".