22000011009979 has 2 divisors, whose sum is σ = 22000011009980. Its totient is φ = 22000011009978.

The previous prime is 22000011009943. The next prime is 22000011010039. The reversal of 22000011009979 is 97990011000022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22000011009979 - 2³³ = 21991421075387 is a prime.

It is not a weakly prime, because it can be changed into another prime (22000011003979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000005504989 + 11000005504990.

It is an arithmetic number, because the mean of its divisors is an integer number (11000005504990).

Almost surely, 2^{22000011009979} is an apocalyptic number.

22000011009979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000011009979 is an equidigital number, since it uses as much as digits as its factorization.

22000011009979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 22000011009979 in words is "twenty-two trillion, eleven million, nine thousand, nine hundred seventy-nine".