100210021999 has 2 divisors, whose sum is σ = 100210022000. Its totient is φ = 100210021998.

The previous prime is 100210021987. The next prime is 100210022041. The reversal of 100210021999 is 999120012001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100210021999 - 2²⁹ = 99673151087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100210021699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105010999 + 50105011000.

It is an arithmetic number, because the mean of its divisors is an integer number (50105011000).

Almost surely, 2^100210021999 is an apocalyptic number.

100210021999 is a deficient number, since it is larger than the sum of its proper divisors (1).

100210021999 is an equidigital number, since it uses as much as digits as its factorization.

100210021999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 100210021999 in words is "one hundred billion, two hundred ten million, twenty-one thousand, nine hundred ninety-nine".