10012111979 has 2 divisors, whose sum is σ = 10012111980. Its totient is φ = 10012111978.

The previous prime is 10012111951. The next prime is 10012112003. The reversal of 10012111979 is 97911121001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10012111979 is a prime.

It is not a weakly prime, because it can be changed into another prime (10012111909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006055989 + 5006055990.

It is an arithmetic number, because the mean of its divisors is an integer number (5006055990).

Almost surely, 2^10012111979 is an apocalyptic number.

10012111979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012111979 is an equidigital number, since it uses as much as digits as its factorization.

10012111979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 32.

The spelling of 10012111979 in words is "ten billion, twelve million, one hundred eleven thousand, nine hundred seventy-nine".