22321012131 has 48 divisors (see below), whose sum is σ = 36915016320. Its totient is φ = 13364766720.

The previous prime is 22321012123. The next prime is 22321012139. The reversal of 22321012131 is 13121012322.

It is an interprime number because it is at equal distance from previous prime (22321012123) and next prime (22321012139).

It is not a de Polignac number, because 22321012131 - 2³ = 22321012123 is a prime.

It is a super-3 number, since 3×22321012131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (22321012139) 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, 171555 + ... + 272163.

It is an arithmetic number, because the mean of its divisors is an integer number (769062840).

Almost surely, 2^22321012131 is an apocalyptic number.

22321012131 is a deficient number, since it is larger than the sum of its proper divisors (14594004189).

22321012131 is a wasteful number, since it uses less digits than its factorization.

22321012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100718 (or 100706 counting only the distinct ones).

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

Adding to 22321012131 its reverse (13121012322), we get a palindrome (35442024453).

The spelling of 22321012131 in words is "twenty-two billion, three hundred twenty-one million, twelve thousand, one hundred thirty-one".