213233323303221 has 64 divisors (see below), whose sum is σ = 309162480506880. Its totient is φ = 129947107680000.

The previous prime is 213233323303207. The next prime is 213233323303241. The reversal of 213233323303221 is 122303323332312.

213233323303221 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 213233323303221 - 2⁷ = 213233323303093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213233323303241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17830358040 + ... + 17830369998.

It is an arithmetic number, because the mean of its divisors is an integer number (4830663757920).

Almost surely, 2^{213233323303221} is an apocalyptic number.

It is an amenable number.

213233323303221 is a deficient number, since it is larger than the sum of its proper divisors (95929157203659).

213233323303221 is a wasteful number, since it uses less digits than its factorization.

213233323303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19098.

The product of its (nonzero) digits is 69984, while the sum is 33.

Adding to 213233323303221 its reverse (122303323332312), we get a palindrome (335536646635533).

The spelling of 213233323303221 in words is "two hundred thirteen trillion, two hundred thirty-three billion, three hundred twenty-three million, three hundred three thousand, two hundred twenty-one".