100100000000 has 648 divisors, whose sum is σ = 335343578304. Its totient is φ = 28800000000.

The previous prime is 100099999997. The next prime is 100100000003. The reversal of 100100000000 is 1001.

It is an interprime number because it is at equal distance from previous prime (100099999997) and next prime (100100000003).

It is a sliding number, since 100100000000 = 100000000 + 100000000000 and 1/100000000 + 1/100000000000 = 0.0000000100100000000.

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 (100100000003) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7699999994 + ... + 7700000006.

Almost surely, 2^100100000000 is an apocalyptic number.

100100000000 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 100100000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167671789152).

100100000000 is an abundant number, since it is smaller than the sum of its proper divisors (235243578304).

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

100100000000 is an frugal number, since it uses more digits than its factorization.

100100000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 38 counting only the distinct ones).

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

Adding to 100100000000 its reverse (1001), we get a palindrome (100100001001).

Multiplying 100100000000 by its reverse (1001), we get a square (100200100000000 = 10010000²).

100100000000 divided by its reverse (1001) gives a 8-th power (100000000 = 10⁸).

The spelling of 100100000000 in words is "one hundred billion, one hundred million", and thus it is an aban number.