100201002100 has 18 divisors (see below), whose sum is σ = 217436174774. Its totient is φ = 40080400800.

The previous prime is 100201002079. The next prime is 100201002127. The reversal of 100201002100 is 1200102001.

It can be written as a sum of positive squares in 3 ways, for example, as 13686192144 + 86514809956 = 116988^2 + 294134^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 501004911 + ... + 501005110.

Almost surely, 2^100201002100 is an apocalyptic number.

100201002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100201002100 is an abundant number, since it is smaller than the sum of its proper divisors (117235172674).

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

100201002100 is a wasteful number, since it uses less digits than its factorization.

100201002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002010035 (or 1002010028 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100201002100 its reverse (1200102001), we get a palindrome (101401104101).

Subtracting from 100201002100 its reverse (1200102001), we obtain a palindrome (99000900099).

The spelling of 100201002100 in words is "one hundred billion, two hundred one million, two thousand, one hundred".