11101001100 has 72 divisors (see below), whose sum is σ = 36707317248. Its totient is φ = 2537371200.

The previous prime is 11101001077. The next prime is 11101001137. The reversal of 11101001100 is 110010111.

It is a Harshad number since it is a multiple of its sum of digits (6).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2640996 + ... + 2645195.

Almost surely, 2^11101001100 is an apocalyptic number.

11101001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101001100 is an abundant number, since it is smaller than the sum of its proper divisors (25606316148).

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

11101001100 is a wasteful number, since it uses less digits than its factorization.

11101001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286215 (or 5286208 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 11101001100 its reverse (110010111), we get a palindrome (11211011211).

The spelling of 11101001100 in words is "eleven billion, one hundred one million, one thousand, one hundred".