211134210 has 128 divisors (see below), whose sum is σ = 615928320. Its totient is φ = 45287424.

The previous prime is 211134197. The next prime is 211134221. The reversal of 211134210 is 12431112.

211134210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211134210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 224862 + ... + 225798.

It is an arithmetic number, because the mean of its divisors is an integer number (4811940).

Almost surely, 2^211134210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211134210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307964160).

211134210 is an abundant number, since it is smaller than the sum of its proper divisors (404794110).

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

211134210 is a wasteful number, since it uses less digits than its factorization.

211134210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 211134210 is about 14530.4580106754. The cubic root of 211134210 is about 595.4603785745.

Adding to 211134210 its reverse (12431112), we get a palindrome (223565322).

It can be divided in two parts, 211 and 134210, that added together give a triangular number (134421 = T₅₁₈).

The spelling of 211134210 in words is "two hundred eleven million, one hundred thirty-four thousand, two hundred ten".