Adding to 181112 its reverse (211181), we get a palindrome (392293).
181112 is nontrivially palindromic in base 12.
181112 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (8).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
181112 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2181112 is an apocalyptic number.
It is an amenable number.
181112 is a wasteful number, since it uses less digits than its factorization.
181112 is an odious number, because the sum of its binary digits is odd.
The square root of 181112 is about 425.5725555061. The cubic root of 181112 is about 56.5781933500.
The spelling of 181112 in words is "one hundred eighty-one thousand, one hundred twelve".