213020222213 has 4 divisors (see below), whose sum is σ = 213705175008. Its totient is φ = 212335269420.

The previous prime is 213020222171. The next prime is 213020222237. The reversal of 213020222213 is 312222020312.

It is a happy number.

213020222213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213020222213 - 2¹⁰ = 213020221189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213080222213) 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 3 ways as a sum of consecutive naturals, for example, 342475931 + ... + 342476552.

It is an arithmetic number, because the mean of its divisors is an integer number (53426293752).

Almost surely, 2^213020222213 is an apocalyptic number.

It is an amenable number.

213020222213 is a deficient number, since it is larger than the sum of its proper divisors (684952795).

213020222213 is an equidigital number, since it uses as much as digits as its factorization.

213020222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684952794.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 213020222213 its reverse (312222020312), we get a palindrome (525242242525).

The spelling of 213020222213 in words is "two hundred thirteen billion, twenty million, two hundred twenty-two thousand, two hundred thirteen".