322231023321021 has 20 divisors (see below), whose sum is σ = 481391578184352. Its totient is φ = 214805453502888.

The previous prime is 322231023320963. The next prime is 322231023321073. The reversal of 322231023321021 is 120123320132223.

322231023321021 is a `hidden beast` number, since 3 + 2 + 2 + 2 + 310 + 2 + 3 + 321 + 0 + 21 = 666.

It is not a de Polignac number, because 322231023321021 - 2⁶ = 322231023320957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322231023341021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 139856865 + ... + 142142198.

Almost surely, 2^{322231023321021} is an apocalyptic number.

It is an amenable number.

322231023321021 is a deficient number, since it is larger than the sum of its proper divisors (159160554863331).

322231023321021 is a wasteful number, since it uses less digits than its factorization.

322231023321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282013182 (or 282013173 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 322231023321021 its reverse (120123320132223), we get a palindrome (442354343453244).

The spelling of 322231023321021 in words is "three hundred twenty-two trillion, two hundred thirty-one billion, twenty-three million, three hundred twenty-one thousand, twenty-one".