122621367321 has 20 divisors (see below), whose sum is σ = 183224728192. Its totient is φ = 81725443128.

The previous prime is 122621367313. The next prime is 122621367343. The reversal of 122621367321 is 123763126221.

122621367321 is a `hidden beast` number, since 1 + 2 + 2 + 621 + 3 + 6 + 7 + 3 + 21 = 666.

It is not a de Polignac number, because 122621367321 - 2³ = 122621367313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122621367221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98796 + ... + 504978.

Almost surely, 2^122621367321 is an apocalyptic number.

It is an amenable number.

122621367321 is a deficient number, since it is larger than the sum of its proper divisors (60603360871).

122621367321 is an equidigital number, since it uses as much as digits as its factorization.

122621367321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409922 (or 409913 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The spelling of 122621367321 in words is "one hundred twenty-two billion, six hundred twenty-one million, three hundred sixty-seven thousand, three hundred twenty-one".