102100000979 has 2 divisors, whose sum is σ = 102100000980. Its totient is φ = 102100000978.

The previous prime is 102100000963. The next prime is 102100001027. The reversal of 102100000979 is 979000001201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102100000979 - 2⁴ = 102100000963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (102100000909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050000489 + 51050000490.

It is an arithmetic number, because the mean of its divisors is an integer number (51050000490).

Almost surely, 2^102100000979 is an apocalyptic number.

102100000979 is a deficient number, since it is larger than the sum of its proper divisors (1).

102100000979 is an equidigital number, since it uses as much as digits as its factorization.

102100000979 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 29.

The spelling of 102100000979 in words is "one hundred two billion, one hundred million, nine hundred seventy-nine", and thus it is an aban number.