100090100100 has 72 divisors (see below), whose sum is σ = 289627830688. Its totient is φ = 26687577600.

The previous prime is 100090099957. The next prime is 100090100101. The reversal of 100090100100 is 1001090001.

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

It is not an unprimeable number, because it can be changed into a prime (100090100101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3803187 + ... + 3829413.

Almost surely, 2^100090100100 is an apocalyptic number.

100090100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100090100100 is an abundant number, since it is smaller than the sum of its proper divisors (189537730588).

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

100090100100 is a wasteful number, since it uses less digits than its factorization.

100090100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38965 (or 38958 counting only the distinct ones).

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

Adding to 100090100100 its reverse (1001090001), we get a palindrome (101091190101).

The spelling of 100090100100 in words is "one hundred billion, ninety million, one hundred thousand, one hundred".