21313122330122 has 16 divisors (see below), whose sum is σ = 38125336839552. Its totient is φ = 8737056358800.

The previous prime is 21313122330113. The next prime is 21313122330161. The reversal of 21313122330122 is 22103322131312.

It is a junction number, because it is equal to n+sod(n) for n = 21313122330091 and 21313122330100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33094910129 + ... + 33094910772.

It is an arithmetic number, because the mean of its divisors is an integer number (2382833552472).

Almost surely, 2^{21313122330122} is an apocalyptic number.

21313122330122 is a deficient number, since it is larger than the sum of its proper divisors (16812214509430).

21313122330122 is a wasteful number, since it uses less digits than its factorization.

21313122330122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66189820933.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 21313122330122 its reverse (22103322131312), we get a palindrome (43416444461434).

The spelling of 21313122330122 in words is "twenty-one trillion, three hundred thirteen billion, one hundred twenty-two million, three hundred thirty thousand, one hundred twenty-two".