10091000100 has 72 divisors (see below), whose sum is σ = 29691537120. Its totient is φ = 2645319680.

The previous prime is 10091000099. The next prime is 10091000177. The reversal of 10091000100 is 100019001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267357 + ... + 302756.

It is an arithmetic number, because the mean of its divisors is an integer number (412382460).

Almost surely, 2^10091000100 is an apocalyptic number.

10091000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10091000100 is an abundant number, since it is smaller than the sum of its proper divisors (19600537020).

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

10091000100 is a wasteful number, since it uses less digits than its factorization.

10091000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570189 (or 570182 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 10091000100 its reverse (100019001), we get a palindrome (10191019101).

The spelling of 10091000100 in words is "ten billion, ninety-one million, one hundred", and thus it is an aban number.