22120020019973 has 2 divisors, whose sum is σ = 22120020019974. Its totient is φ = 22120020019972.

The previous prime is 22120020019939. The next prime is 22120020020039. The reversal of 22120020019973 is 37991002002122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22017557290369 + 102462729604 = 4692287^2 + 320098^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120020019973 - 2²⁰ = 22120018971397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22120020010973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060010009986 + 11060010009987.

It is an arithmetic number, because the mean of its divisors is an integer number (11060010009987).

Almost surely, 2^{22120020019973} is an apocalyptic number.

It is an amenable number.

22120020019973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120020019973 is an equidigital number, since it uses as much as digits as its factorization.

22120020019973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 22120020019973 in words is "twenty-two trillion, one hundred twenty billion, twenty million, nineteen thousand, nine hundred seventy-three".