100110100100 has 36 divisors (see below), whose sum is σ = 217714375284. Its totient is φ = 39956398080.

The previous prime is 100110100091. The next prime is 100110100159. The reversal of 100110100100 is 1001011001.

It can be written as a sum of positive squares in 6 ways, for example, as 4871202436 + 95238897664 = 69794^2 + 308608^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

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, 1049597 + ... + 1140996.

Almost surely, 2^100110100100 is an apocalyptic number.

100110100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100110100100 is an abundant number, since it is smaller than the sum of its proper divisors (117604275184).

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

100110100100 is a wasteful number, since it uses less digits than its factorization.

100110100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191064 (or 2191057 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 100110100100 its reverse (1001011001), we get a palindrome (101111111101).

The spelling of 100110100100 in words is "one hundred billion, one hundred ten million, one hundred thousand, one hundred".