213130211211 has 12 divisors (see below), whose sum is σ = 310902817680. Its totient is φ = 140680006800.

The previous prime is 213130211201. The next prime is 213130211213. The reversal of 213130211211 is 112112031312.

213130211211 is a `hidden beast` number, since 213 + 1 + 30 + 211 + 211 = 666.

It is not a de Polignac number, because 213130211211 - 2⁵ = 213130211179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213130211213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117232431 + ... + 117234248.

It is an arithmetic number, because the mean of its divisors is an integer number (25908568140).

Almost surely, 2^213130211211 is an apocalyptic number.

213130211211 is a deficient number, since it is larger than the sum of its proper divisors (97772606469).

213130211211 is a wasteful number, since it uses less digits than its factorization.

213130211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234466786 (or 234466783 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 213130211211 its reverse (112112031312), we get a palindrome (325242242523).

The spelling of 213130211211 in words is "two hundred thirteen billion, one hundred thirty million, two hundred eleven thousand, two hundred eleven".