100100010100 has 36 divisors (see below), whose sum is σ = 217561401568. Its totient is φ = 39976524000.

The previous prime is 100100010097. The next prime is 100100010121. The reversal of 100100010100 is 1010001001.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a self number, because there is not a number n which added to its sum of digits gives 100100010100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730086 + ... + 856285.

Almost surely, 2^100100010100 is an apocalyptic number.

100100010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100010100 is an abundant number, since it is smaller than the sum of its proper divisors (117461391468).

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

100100010100 is a wasteful number, since it uses less digits than its factorization.

100100010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587016 (or 1587009 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 100100010100 its reverse (1010001001), we get a palindrome (101110011101).

Subtracting from 100100010100 its reverse (1010001001), we obtain a palindrome (99090009099).

The spelling of 100100010100 in words is "one hundred billion, one hundred million, ten thousand, one hundred".