100210215500 has 24 divisors (see below), whose sum is σ = 218859111744. Its totient is φ = 40084086000.

The previous prime is 100210215491. The next prime is 100210215527. The reversal of 100210215500 is 5512012001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100209716 + ... + 100210715.

It is an arithmetic number, because the mean of its divisors is an integer number (9119129656).

Almost surely, 2^100210215500 is an apocalyptic number.

100210215500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100210215500 is an abundant number, since it is smaller than the sum of its proper divisors (118648896244).

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

100210215500 is a wasteful number, since it uses less digits than its factorization.

100210215500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200420450 (or 200420438 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

Adding to 100210215500 its reverse (5512012001), we get a palindrome (105722227501).

The spelling of 100210215500 in words is "one hundred billion, two hundred ten million, two hundred fifteen thousand, five hundred".