211000 has 32 divisors (see below), whose sum is σ = 496080. Its totient is φ = 84000.

The previous prime is 210967. The next prime is 211007. The reversal of 211000 is 112.

It is a Harshad number since it is a multiple of its sum of digits (4).

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.

It is not an unprimeable number, because it can be changed into a prime (211007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895 + ... + 1105.

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).

211000 is an abundant number, since it is smaller than the sum of its proper divisors (285080).

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 sum of its prime factors is 232 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

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.