200211001021979 has 2 divisors, whose sum is σ = 200211001021980. Its totient is φ = 200211001021978.

The previous prime is 200211001021951. The next prime is 200211001022029. The reversal of 200211001021979 is 979120100112002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200211001021979 - 2⁸ = 200211001021723 is a prime.

It is not a weakly prime, because it can be changed into another prime (200211001021919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105500510989 + 100105500510990.

It is an arithmetic number, because the mean of its divisors is an integer number (100105500510990).

Almost surely, 2^{200211001021979} is an apocalyptic number.

200211001021979 is a deficient number, since it is larger than the sum of its proper divisors (1).

200211001021979 is an equidigital number, since it uses as much as digits as its factorization.

200211001021979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 200211001021979 in words is "two hundred trillion, two hundred eleven billion, one million, twenty-one thousand, nine hundred seventy-nine".