211330000 has 100 divisors (see below), whose sum is σ = 584937760. Its totient is φ = 72432000.

The previous prime is 211329991. The next prime is 211330013. The reversal of 211330000 is 33112.

211330000 is digitally balanced in base 3, because in such base 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 (100).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68491 + ... + 71509.

Almost surely, 2^211330000 is an apocalyptic number.

211330000 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 211330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292468880).

211330000 is an abundant number, since it is smaller than the sum of its proper divisors (373607760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211330000 is an equidigital number, since it uses as much as digits as its factorization.

211330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054 (or 3033 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 211330000 is about 14537.1936769103. The cubic root of 211330000 is about 595.6443834445.

Adding to 211330000 its reverse (33112), we get a palindrome (211363112).

The spelling of 211330000 in words is "two hundred eleven million, three hundred thirty thousand".