100000000100 has 288 divisors, whose sum is σ = 306697036800. Its totient is φ = 27256435200.

The previous prime is 100000000091. The next prime is 100000000103. The reversal of 100000000100 is 1000000001.

It is a sliding number, since 100000000100 = 100 + 100000000000 and 1/100 + 1/100000000000 = 0.0100000000100.

It is a Harshad number since it is a multiple of its sum of digits (2).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (100000000103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1875611 + ... + 1928189.

Almost surely, 2^100000000100 is an apocalyptic number.

100000000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100000000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153348518400).

100000000100 is an abundant number, since it is smaller than the sum of its proper divisors (206697036700).

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

100000000100 is a wasteful number, since it uses less digits than its factorization.

100000000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52643 (or 52636 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 2.

Adding to 100000000100 its reverse (1000000001), we get a palindrome (101000000101).

Subtracting from 100000000100 its reverse (1000000001), we obtain a palindrome (99000000099).

100000000100 divided by its reverse (1000000001) gives a square (100 = 10²).

The spelling of 100000000100 in words is "one hundred billion, one hundred", and thus it is an aban number.