11100100100 has 18 divisors (see below), whose sum is σ = 24087217434. Its totient is φ = 4440040000.

The previous prime is 11100100097. The next prime is 11100100177. The reversal of 11100100100 is 100100111.

It can be written as a sum of positive squares in 3 ways, for example, as 57032704 + 11043067396 = 7552^2 + 105086^2 .

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

11100100100 is a modest number, since divided by 100100 gives 11100 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55500401 + ... + 55500600.

Almost surely, 2^11100100100 is an apocalyptic number.

11100100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100100100 is an abundant number, since it is smaller than the sum of its proper divisors (12987117334).

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

11100100100 is a wasteful number, since it uses less digits than its factorization.

11100100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111001015 (or 111001008 counting only the distinct ones).

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

Adding to 11100100100 its reverse (100100111), we get a palindrome (11200200211).

The spelling of 11100100100 in words is "eleven billion, one hundred million, one hundred thousand, one hundred".