2121322331022 has 128 divisors (see below), whose sum is σ = 4603046745600. Its totient is φ = 649724737536.

The previous prime is 2121322330943. The next prime is 2121322331033. The reversal of 2121322331022 is 2201332231212.

It is a super-2 number, since 2×2121322331022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121322330983 and 2121322331001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 121983504 + ... + 122000892.

It is an arithmetic number, because the mean of its divisors is an integer number (35961302700).

Almost surely, 2^{2121322331022} is an apocalyptic number.

2121322331022 is an abundant number, since it is smaller than the sum of its proper divisors (2481724414578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121322331022 is a wasteful number, since it uses less digits than its factorization.

2121322331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17730.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2121322331022 its reverse (2201332231212), we get a palindrome (4322654562234).

The spelling of 2121322331022 in words is "two trillion, one hundred twenty-one billion, three hundred twenty-two million, three hundred thirty-one thousand, twenty-two".