213111130211 has 12 divisors (see below), whose sum is σ = 248619226968. Its totient is φ = 182140251552.

The previous prime is 213111130207. The next prime is 213111130231. The reversal of 213111130211 is 112031111312.

213111130211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213111130211 - 2² = 213111130207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213111130211.

It is not an unprimeable number, because it can be changed into a prime (213111130201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6249866 + ... + 6283871.

It is an arithmetic number, because the mean of its divisors is an integer number (20718268914).

Almost surely, 2^213111130211 is an apocalyptic number.

213111130211 is a deficient number, since it is larger than the sum of its proper divisors (35508096757).

213111130211 is a wasteful number, since it uses less digits than its factorization.

213111130211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12534098 (or 12534091 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 213111130211 its reverse (112031111312), we get a palindrome (325142241523).

The spelling of 213111130211 in words is "two hundred thirteen billion, one hundred eleven million, one hundred thirty thousand, two hundred eleven".