211133130 has 64 divisors (see below), whose sum is σ = 574439040. Its totient is φ = 49234176.

The previous prime is 211133113. The next prime is 211133171. The reversal of 211133130 is 31331112.

211133130 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6837 + ... + 21656.

It is an arithmetic number, because the mean of its divisors is an integer number (8975610).

Almost surely, 2^211133130 is an apocalyptic number.

211133130 is an abundant number, since it is smaller than the sum of its proper divisors (363305910).

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

211133130 is a wasteful number, since it uses less digits than its factorization.

211133130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28535.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 211133130 is about 14530.4208473120. The cubic root of 211133130 is about 595.4593632672.

Adding to 211133130 its reverse (31331112), we get a palindrome (242464242).

The spelling of 211133130 in words is "two hundred eleven million, one hundred thirty-three thousand, one hundred thirty".