201002011979 has 2 divisors, whose sum is σ = 201002011980. Its totient is φ = 201002011978.

The previous prime is 201002011957. The next prime is 201002012009. The reversal of 201002011979 is 979110200102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201002011979 - 2¹² = 201002007883 is a prime.

It is not a weakly prime, because it can be changed into another prime (201002011879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501005989 + 100501005990.

It is an arithmetic number, because the mean of its divisors is an integer number (100501005990).

Almost surely, 2^201002011979 is an apocalyptic number.

201002011979 is a deficient number, since it is larger than the sum of its proper divisors (1).

201002011979 is an equidigital number, since it uses as much as digits as its factorization.

201002011979 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 201002011979 in words is "two hundred one billion, two million, eleven thousand, nine hundred seventy-nine".