Adding to 111100 its reverse (1111), we get a palindrome (112211).
Multipling 111100 by its reverse (1111), we get a square (123432100 = 111102).
111100 divided by its reverse (1111) gives a square (100 = 102).
It is an Ulam number.
It is a nialpdrome in base 10 and base 11.
It is a zygodrome in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 111100.
It is a congruent number.
111100 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2111100 is an apocalyptic number.
111100 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 111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111100 is a wasteful number, since it uses less digits than its factorization.
111100 is an odious number, because the sum of its binary digits is odd.
The square root of 111100 is about 333.3166662500. The cubic root of 111100 is about 48.0733831240.
The spelling of 111100 in words is "one hundred eleven thousand, one hundred", and thus it is an iban number.