22012122021079 has 2 divisors, whose sum is σ = 22012122021080. Its totient is φ = 22012122021078.

The previous prime is 22012122021073. The next prime is 22012122021137. The reversal of 22012122021079 is 97012022121022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22012122021079 - 2⁷ = 22012122020951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22012122021079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012122021073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006061010539 + 11006061010540.

It is an arithmetic number, because the mean of its divisors is an integer number (11006061010540).

Almost surely, 2^{22012122021079} is an apocalyptic number.

22012122021079 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012122021079 is an equidigital number, since it uses as much as digits as its factorization.

22012122021079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 22012122021079 in words is "twenty-two trillion, twelve billion, one hundred twenty-two million, twenty-one thousand, seventy-nine".