213522200043311 has 4 divisors (see below), whose sum is σ = 213549719344800. Its totient is φ = 213494680741824.

The previous prime is 213522200043283. The next prime is 213522200043323. The reversal of 213522200043311 is 113340002225312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213522200043311 - 2³⁰ = 213521126301487 is a prime.

It is a super-2 number, since 2×213522200043311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213522200043331) 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 3 ways as a sum of consecutive naturals, for example, 13759639106 + ... + 13759654623.

It is an arithmetic number, because the mean of its divisors is an integer number (53387429836200).

Almost surely, 2^{213522200043311} is an apocalyptic number.

213522200043311 is a deficient number, since it is larger than the sum of its proper divisors (27519301489).

213522200043311 is an equidigital number, since it uses as much as digits as its factorization.

213522200043311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27519301488.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 213522200043311 its reverse (113340002225312), we get a palindrome (326862202268623).

The spelling of 213522200043311 in words is "two hundred thirteen trillion, five hundred twenty-two billion, two hundred million, forty-three thousand, three hundred eleven".