201101010019979 has 2 divisors, whose sum is σ = 201101010019980. Its totient is φ = 201101010019978.

The previous prime is 201101010019957. The next prime is 201101010020039. The reversal of 201101010019979 is 979910010101102.

It is a happy number.

201101010019979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201101010019979 - 2⁴⁰ = 200001498392203 is a prime.

It is not a weakly prime, because it can be changed into another prime (201101010013979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550505009989 + 100550505009990.

It is an arithmetic number, because the mean of its divisors is an integer number (100550505009990).

Almost surely, 2^{201101010019979} is an apocalyptic number.

201101010019979 is a deficient number, since it is larger than the sum of its proper divisors (1).

201101010019979 is an equidigital number, since it uses as much as digits as its factorization.

201101010019979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 41.

The spelling of 201101010019979 in words is "two hundred one trillion, one hundred one billion, ten million, nineteen thousand, nine hundred seventy-nine".