202110001200100 has 36 divisors (see below), whose sum is σ = 501232802977984. Its totient is φ = 69294857554080.

The previous prime is 202110001200089. The next prime is 202110001200103. The reversal of 202110001200100 is 1002100011202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (202110001200103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144364285872 + ... + 144364287271.

Almost surely, 2^{202110001200100} is an apocalyptic number.

202110001200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202110001200100 is an abundant number, since it is smaller than the sum of its proper divisors (299122801777884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202110001200100 is a wasteful number, since it uses less digits than its factorization.

202110001200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288728573164 (or 288728573157 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 202110001200100 its reverse (1002100011202), we get a palindrome (203112101211302).

The spelling of 202110001200100 in words is "two hundred two trillion, one hundred ten billion, one million, two hundred thousand, one hundred".