211130223210 has 48 divisors (see below), whose sum is σ = 550410353064. Its totient is φ = 56150441856.

The previous prime is 211130223163. The next prime is 211130223221. The reversal of 211130223210 is 12322031112.

211130223210 is a `hidden beast` number, since 211 + 130 + 2 + 2 + 321 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 118481212521 + 92649010689 = 344211^2 + 304383^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3111057 + ... + 3178196.

Almost surely, 2^211130223210 is an apocalyptic number.

211130223210 is an abundant number, since it is smaller than the sum of its proper divisors (339280129854).

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

211130223210 is a wasteful number, since it uses less digits than its factorization.

211130223210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289639 (or 6289636 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211130223210 its reverse (12322031112), we get a palindrome (223452254322).

The spelling of 211130223210 in words is "two hundred eleven billion, one hundred thirty million, two hundred twenty-three thousand, two hundred ten".