It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 10 and base 12.
It is a zygodrome in base 10.
It is a congruent number.
It is an unprimeable number.
11100 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
211100 is an apocalyptic number.
11100 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 11100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11100 is a wasteful number, since it uses less digits than its factorization.
11100 is an evil number, because the sum of its binary digits is even.
The square root of 11100 is about 105.3565375285. The cubic root of 11100 is about 22.3069910448.
Adding to 11100 its reverse (111), we get a palindrome (11211).
Multiplying 11100 by its reverse (111), we get a square (1232100 = 11102).
11100 divided by its reverse (111) gives a square (100 = 102).
The spelling of 11100 in words is "eleven thousand, one hundred", and thus it is an iban number.