Adding to 11311200 its reverse (211311), we get a palindrome (11522511).
It is a congruent number.
It is an unprimeable number.
Almost surely, 211311200 is an apocalyptic number.
11311200 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 11311200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19955754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11311200 is a wasteful number, since it uses less digits than its factorization.
11311200 is an odious number, because the sum of its binary digits is odd.
The square root of 11311200 is about 3363.2127497380. The cubic root of 11311200 is about 224.4758167941.
The spelling of 11311200 in words is "eleven million, three hundred eleven thousand, two hundred".