101001111109979 has 2 divisors, whose sum is σ = 101001111109980. Its totient is φ = 101001111109978.

The previous prime is 101001111109937. The next prime is 101001111109991. The reversal of 101001111109979 is 979901111100101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101001111109979 is a prime.

It is not a weakly prime, because it can be changed into another prime (101001111139979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500555554989 + 50500555554990.

It is an arithmetic number, because the mean of its divisors is an integer number (50500555554990).

Almost surely, 2^{101001111109979} is an apocalyptic number.

101001111109979 is a deficient number, since it is larger than the sum of its proper divisors (1).

101001111109979 is an equidigital number, since it uses as much as digits as its factorization.

101001111109979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 41.

The spelling of 101001111109979 in words is "one hundred one trillion, one billion, one hundred eleven million, one hundred nine thousand, nine hundred seventy-nine".