210100210099999 has 16 divisors (see below), whose sum is σ = 213360429199168. Its totient is φ = 206850362867712.

The previous prime is 210100210099951. The next prime is 210100210100023. The reversal of 210100210099999 is 999990012001012.

It is a cyclic number.

It is not a de Polignac number, because 210100210099999 - 2²³ = 210100201711391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100210999999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731793094 + ... + 732080140.

It is an arithmetic number, because the mean of its divisors is an integer number (13335026824948).

Almost surely, 2^{210100210099999} is an apocalyptic number.

210100210099999 is a deficient number, since it is larger than the sum of its proper divisors (3260219099169).

210100210099999 is a wasteful number, since it uses less digits than its factorization.

210100210099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305074.

The product of its (nonzero) digits is 236196, while the sum is 52.

The spelling of 210100210099999 in words is "two hundred ten trillion, one hundred billion, two hundred ten million, ninety-nine thousand, nine hundred ninety-nine".