2202931922921 has 2 divisors, whose sum is σ = 2202931922922. Its totient is φ = 2202931922920.

The previous prime is 2202931922887. The next prime is 2202931922969. The reversal of 2202931922921 is 1292291392022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2098108795225 + 104823127696 = 1448485^2 + 323764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2202931922921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2202931922981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101465961460 + 1101465961461.

It is an arithmetic number, because the mean of its divisors is an integer number (1101465961461).

Almost surely, 2^{2202931922921} is an apocalyptic number.

It is an amenable number.

2202931922921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202931922921 is an equidigital number, since it uses as much as digits as its factorization.

2202931922921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 2202931922921 in words is "two trillion, two hundred two billion, nine hundred thirty-one million, nine hundred twenty-two thousand, nine hundred twenty-one".