1001012101979 has 2 divisors, whose sum is σ = 1001012101980. Its totient is φ = 1001012101978.

The previous prime is 1001012101961. The next prime is 1001012102053. The reversal of 1001012101979 is 9791012101001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001012101979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001012101909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500506050989 + 500506050990.

It is an arithmetic number, because the mean of its divisors is an integer number (500506050990).

Almost surely, 2^{1001012101979} is an apocalyptic number.

1001012101979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001012101979 is an equidigital number, since it uses as much as digits as its factorization.

1001012101979 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 1001012101979 in words is "one trillion, one billion, twelve million, one hundred one thousand, nine hundred seventy-nine".