2120011000979 has 2 divisors, whose sum is σ = 2120011000980. Its totient is φ = 2120011000978.

The previous prime is 2120011000969. The next prime is 2120011000993. The reversal of 2120011000979 is 9790001100212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120011000979 - 2⁴⁰ = 1020499373203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120011000969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060005500489 + 1060005500490.

It is an arithmetic number, because the mean of its divisors is an integer number (1060005500490).

Almost surely, 2^{2120011000979} is an apocalyptic number.

2120011000979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120011000979 is an equidigital number, since it uses as much as digits as its factorization.

2120011000979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 2120011000979 in words is "two trillion, one hundred twenty billion, eleven million, nine hundred seventy-nine", and thus it is an aban number.