22121031412324 has 18 divisors (see below), whose sum is σ = 41918700059250. Its totient is φ = 10209706805376.

The previous prime is 22121031412273. The next prime is 22121031412331. The reversal of 22121031412324 is 42321413012122.

It can be written as a sum of positive squares in 3 ways, for example, as 429656652324 + 21691374760000 = 655482^2 + 4657400^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22121031412292 and 22121031412301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16361708949 + ... + 16361710300.

Almost surely, 2^{22121031412324} is an apocalyptic number.

It is an amenable number.

22121031412324 is a deficient number, since it is larger than the sum of its proper divisors (19797668646926).

22121031412324 is a wasteful number, since it uses less digits than its factorization.

22121031412324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32723419279 (or 32723419264 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 22121031412324 its reverse (42321413012122), we get a palindrome (64442444424446).

The spelling of 22121031412324 in words is "twenty-two trillion, one hundred twenty-one billion, thirty-one million, four hundred twelve thousand, three hundred twenty-four".