213333302221 has 16 divisors (see below), whose sum is σ = 231329548800. Its totient is φ = 195564133440.

The previous prime is 213333302191. The next prime is 213333302233. The reversal of 213333302221 is 122203333312.

It is not a de Polignac number, because 213333302221 - 2¹³ = 213333294029 is a prime.

It is a super-2 number, since 2×213333302221² (a number of 23 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 (213333332221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19889566 + ... + 19900288.

It is an arithmetic number, because the mean of its divisors is an integer number (14458096800).

Almost surely, 2^213333302221 is an apocalyptic number.

It is an amenable number.

213333302221 is a deficient number, since it is larger than the sum of its proper divisors (17996246579).

213333302221 is a wasteful number, since it uses less digits than its factorization.

213333302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21156.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 213333302221 its reverse (122203333312), we get a palindrome (335536635533).

The spelling of 213333302221 in words is "two hundred thirteen billion, three hundred thirty-three million, three hundred two thousand, two hundred twenty-one".