100221200999 has 2 divisors, whose sum is σ = 100221201000. Its totient is φ = 100221200998.

The previous prime is 100221200921. The next prime is 100221201023. The reversal of 100221200999 is 999002122001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100221200999 - 2⁸ = 100221200743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100221220999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110600499 + 50110600500.

It is an arithmetic number, because the mean of its divisors is an integer number (50110600500).

Almost surely, 2^100221200999 is an apocalyptic number.

100221200999 is a deficient number, since it is larger than the sum of its proper divisors (1).

100221200999 is an equidigital number, since it uses as much as digits as its factorization.

100221200999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 100221200999 in words is "one hundred billion, two hundred twenty-one million, two hundred thousand, nine hundred ninety-nine".