200122120999 has 2 divisors, whose sum is σ = 200122121000. Its totient is φ = 200122120998.

The previous prime is 200122120993. The next prime is 200122121011. The reversal of 200122120999 is 999021221002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200122120999 - 2⁹ = 200122120487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200122120993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061060499 + 100061060500.

It is an arithmetic number, because the mean of its divisors is an integer number (100061060500).

Almost surely, 2^200122120999 is an apocalyptic number.

200122120999 is a deficient number, since it is larger than the sum of its proper divisors (1).

200122120999 is an equidigital number, since it uses as much as digits as its factorization.

200122120999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 200122120999 in words is "two hundred billion, one hundred twenty-two million, one hundred twenty thousand, nine hundred ninety-nine".