It is a plaindrome in base 11.
It is a nialpdrome in base 10.
It is a zygodrome in base 2.
It is a congruent number.
2211000 is an apocalyptic number.
211000 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 211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211000 is a wasteful number, since it uses less digits than its factorization.
211000 is an evil number, because the sum of its binary digits is even.
The square root of 211000 is about 459.3473631142. The cubic root of 211000 is about 59.5334181314.
Adding to 211000 its reverse (112), we get a palindrome (211112).
The spelling of 211000 in words is "two hundred eleven thousand", and thus it is an iban number.