21142022131324 has 12 divisors (see below), whose sum is σ = 37082817864400. Its totient is φ = 10546931312928.

The previous prime is 21142022131319. The next prime is 21142022131393. The reversal of 21142022131324 is 42313122024112.

It is a junction number, because it is equal to n+sod(n) for n = 21142022131292 and 21142022131301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6019936209 + ... + 6019939720.

Almost surely, 2^{21142022131324} is an apocalyptic number.

It is an amenable number.

21142022131324 is a deficient number, since it is larger than the sum of its proper divisors (15940795733076).

21142022131324 is a wasteful number, since it uses less digits than its factorization.

21142022131324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12039876372 (or 12039876370 counting only the distinct ones).

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

Adding to 21142022131324 its reverse (42313122024112), we get a palindrome (63455144155436).

The spelling of 21142022131324 in words is "twenty-one trillion, one hundred forty-two billion, twenty-two million, one hundred thirty-one thousand, three hundred twenty-four".