200122200999991 has 2 divisors, whose sum is σ = 200122200999992. Its totient is φ = 200122200999990.

The previous prime is 200122200999961. The next prime is 200122201000049. The reversal of 200122200999991 is 199999002221002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200122200999991 - 2⁷ = 200122200999863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200122200999901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061100499995 + 100061100499996.

It is an arithmetic number, because the mean of its divisors is an integer number (100061100499996).

Almost surely, 2^{200122200999991} is an apocalyptic number.

200122200999991 is a deficient number, since it is larger than the sum of its proper divisors (1).

200122200999991 is an equidigital number, since it uses as much as digits as its factorization.

200122200999991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 55.

The spelling of 200122200999991 in words is "two hundred trillion, one hundred twenty-two billion, two hundred million, nine hundred ninety-nine thousand, nine hundred ninety-one".