22312123122321 has 24 divisors (see below), whose sum is σ = 32533380239360. Its totient is φ = 14734167450336.

The previous prime is 22312123122293. The next prime is 22312123122481. The reversal of 22312123122321 is 12322132121322.

22312123122321 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 21 + 2 + 312 + 2 + 321 = 666.

It is not a de Polignac number, because 22312123122321 - 2¹³ = 22312123114129 is a prime.

It is a super-3 number, since 3×22312123122321³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22312123142321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341010 + ... + 6688836.

Almost surely, 2^{22312123122321} is an apocalyptic number.

It is an amenable number.

22312123122321 is a deficient number, since it is larger than the sum of its proper divisors (10221257117039).

22312123122321 is a wasteful number, since it uses less digits than its factorization.

22312123122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6351525 (or 6351522 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 22312123122321 its reverse (12322132121322), we get a palindrome (34634255243643).

The spelling of 22312123122321 in words is "twenty-two trillion, three hundred twelve billion, one hundred twenty-three million, one hundred twenty-two thousand, three hundred twenty-one".