22312411421321 has 12 divisors (see below), whose sum is σ = 25974324903060. Its totient is φ = 19110871906560.

The previous prime is 22312411421317. The next prime is 22312411421327. The reversal of 22312411421321 is 12312411421322.

It can be written as a sum of positive squares in 2 ways, for example, as 12228204703225 + 10084206718096 = 3496885^2 + 3175564^2 .

It is not a de Polignac number, because 22312411421321 - 2² = 22312411421317 is a prime.

It is a super-3 number, since 3×22312411421321³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22312411421327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167220356 + ... + 167353733.

It is an arithmetic number, because the mean of its divisors is an integer number (2164527075255).

Almost surely, 2^{22312411421321} is an apocalyptic number.

It is an amenable number.

22312411421321 is a deficient number, since it is larger than the sum of its proper divisors (3661913481739).

22312411421321 is a wasteful number, since it uses less digits than its factorization.

22312411421321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334575464 (or 334575457 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

Adding to 22312411421321 its reverse (12312411421322), we get a palindrome (34624822842643).

Subtracting from 22312411421321 its reverse (12312411421322), we obtain a palindrome (9999999999999).

The spelling of 22312411421321 in words is "twenty-two trillion, three hundred twelve billion, four hundred eleven million, four hundred twenty-one thousand, three hundred twenty-one".