11100011100 has 144 divisors (see below), whose sum is σ = 33313971936. Its totient is φ = 2851200000.

The previous prime is 11100011089. The next prime is 11100011101. The reversal of 11100011100 is 111000111.

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 a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100011101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1116150 + ... + 1126050.

Almost surely, 2^11100011100 is an apocalyptic number.

11100011100 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 11100011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16656985968).

11100011100 is an abundant number, since it is smaller than the sum of its proper divisors (22213960836).

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

11100011100 is a wasteful number, since it uses less digits than its factorization.

11100011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056 (or 10049 counting only the distinct ones).

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

Adding to 11100011100 its reverse (111000111), we get a palindrome (11211011211).

11100011100 divided by its reverse (111000111) gives a square (100 = 10²).

It can be divided in two parts, 11100011 and 100, that added together give a palindrome (11100111).

The spelling of 11100011100 in words is "eleven billion, one hundred million, eleven thousand, one hundred".