211056204 has 12 divisors (see below), whose sum is σ = 492464504. Its totient is φ = 70352064.

The previous prime is 211056203. The next prime is 211056217. The reversal of 211056204 is 402650112.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (211056203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8793997 + ... + 8794020.

Almost surely, 2^211056204 is an apocalyptic number.

It is an amenable number.

211056204 is an abundant number, since it is smaller than the sum of its proper divisors (281408300).

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

211056204 is a wasteful number, since it uses less digits than its factorization.

211056204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17588024 (or 17588022 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 211056204 is about 14527.7735389839. The cubic root of 211056204 is about 595.3870362773.

The spelling of 211056204 in words is "two hundred eleven million, fifty-six thousand, two hundred four".