22102100199973 has 2 divisors, whose sum is σ = 22102100199974. Its totient is φ = 22102100199972.

The previous prime is 22102100199929. The next prime is 22102100200031. The reversal of 22102100199973 is 37999100120122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20989427542084 + 1112672657889 = 4581422^2 + 1054833^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102100199973 - 2²⁵ = 22102066645541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102100199923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051050099986 + 11051050099987.

It is an arithmetic number, because the mean of its divisors is an integer number (11051050099987).

Almost surely, 2^{22102100199973} is an apocalyptic number.

It is an amenable number.

22102100199973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102100199973 is an equidigital number, since it uses as much as digits as its factorization.

22102100199973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The spelling of 22102100199973 in words is "twenty-two trillion, one hundred two billion, one hundred million, one hundred ninety-nine thousand, nine hundred seventy-three".