21010011179 has 2 divisors, whose sum is σ = 21010011180. Its totient is φ = 21010011178.

The previous prime is 21010011161. The next prime is 21010011199. The reversal of 21010011179 is 97111001012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21010011179 - 2¹⁶ = 21009945643 is a prime.

It is not a weakly prime, because it can be changed into another prime (21010011199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505005589 + 10505005590.

It is an arithmetic number, because the mean of its divisors is an integer number (10505005590).

Almost surely, 2^21010011179 is an apocalyptic number.

21010011179 is a deficient number, since it is larger than the sum of its proper divisors (1).

21010011179 is an equidigital number, since it uses as much as digits as its factorization.

21010011179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 23.

The spelling of 21010011179 in words is "twenty-one billion, ten million, eleven thousand, one hundred seventy-nine".