200021211179 has 2 divisors, whose sum is σ = 200021211180. Its totient is φ = 200021211178.

The previous prime is 200021211161. The next prime is 200021211253. The reversal of 200021211179 is 971112120002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200021211179 - 2²⁸ = 199752775723 is a prime.

It is a super-2 number, since 2×200021211179² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200021211079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010605589 + 100010605590.

It is an arithmetic number, because the mean of its divisors is an integer number (100010605590).

Almost surely, 2^200021211179 is an apocalyptic number.

200021211179 is a deficient number, since it is larger than the sum of its proper divisors (1).

200021211179 is an equidigital number, since it uses as much as digits as its factorization.

200021211179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 200021211179 in words is "two hundred billion, twenty-one million, two hundred eleven thousand, one hundred seventy-nine".