22160266532021 has 2 divisors, whose sum is σ = 22160266532022. Its totient is φ = 22160266532020.

The previous prime is 22160266532017. The next prime is 22160266532137. The reversal of 22160266532021 is 12023566206122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21156090180625 + 1004176351396 = 4599575^2 + 1002086^2 .

It is a cyclic number.

It is not a de Polignac number, because 22160266532021 - 2² = 22160266532017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22160266502021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11080133266010 + 11080133266011.

It is an arithmetic number, because the mean of its divisors is an integer number (11080133266011).

Almost surely, 2^{22160266532021} is an apocalyptic number.

It is an amenable number.

22160266532021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22160266532021 is an equidigital number, since it uses as much as digits as its factorization.

22160266532021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 22160266532021 in words is "twenty-two trillion, one hundred sixty billion, two hundred sixty-six million, five hundred thirty-two thousand, twenty-one".