213113212211 has 8 divisors (see below), whose sum is σ = 213957756720. Its totient is φ = 212269992448.

The previous prime is 213113212189. The next prime is 213113212223. The reversal of 213113212211 is 112212311312.

213113212211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213113212211 - 2¹⁸ = 213112950067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213113212261) 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 7 ways as a sum of consecutive naturals, for example, 8186 + ... + 652911.

It is an arithmetic number, because the mean of its divisors is an integer number (26744719590).

Almost surely, 2^213113212211 is an apocalyptic number.

213113212211 is a deficient number, since it is larger than the sum of its proper divisors (844544509).

213113212211 is an equidigital number, since it uses as much as digits as its factorization.

213113212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662373.

The product of its digits is 144, while the sum is 20.

Adding to 213113212211 its reverse (112212311312), we get a palindrome (325325523523).

The spelling of 213113212211 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred twelve thousand, two hundred eleven".