It is a tau number, because it is divible by the number of its divisors (80).
It is a plaindrome in base 11.
It is a congruent number.
2211120 is an apocalyptic number.
211120 is a gapful number since it is divisible by the number (20) 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 211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211120 is a wasteful number, since it uses less digits than its factorization.
211120 is an evil number, because the sum of its binary digits is even.
The square root of 211120 is about 459.4779646512. The cubic root of 211120 is about 59.5447019486.
Adding to 211120 its reverse (21112), we get a palindrome (232232).
The spelling of 211120 in words is "two hundred eleven thousand, one hundred twenty", and thus it is an iban number.