22121100300979 has 2 divisors, whose sum is σ = 22121100300980. Its totient is φ = 22121100300978.

The previous prime is 22121100300953. The next prime is 22121100301061. The reversal of 22121100300979 is 97900300112122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22121100300979 - 2⁷ = 22121100300851 is a prime.

It is not a weakly prime, because it can be changed into another prime (22121100310979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060550150489 + 11060550150490.

It is an arithmetic number, because the mean of its divisors is an integer number (11060550150490).

Almost surely, 2^{22121100300979} is an apocalyptic number.

22121100300979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121100300979 is an equidigital number, since it uses as much as digits as its factorization.

22121100300979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 22121100300979 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred million, three hundred thousand, nine hundred seventy-nine".