21332223212313 has 32 divisors (see below), whose sum is σ = 30683463632640. Its totient is φ = 13105001226240.

The previous prime is 21332223212291. The next prime is 21332223212327. The reversal of 21332223212313 is 31321232223312.

It is not a de Polignac number, because 21332223212313 - 2⁹ = 21332223211801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21332223212383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78943353 + ... + 79213113.

It is an arithmetic number, because the mean of its divisors is an integer number (958858238520).

Almost surely, 2^{21332223212313} is an apocalyptic number.

It is an amenable number.

21332223212313 is a deficient number, since it is larger than the sum of its proper divisors (9351240420327).

21332223212313 is a wasteful number, since it uses less digits than its factorization.

21332223212313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273249.

The product of its digits is 15552, while the sum is 30.

Adding to 21332223212313 its reverse (31321232223312), we get a palindrome (52653455435625).

The spelling of 21332223212313 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred twenty-three million, two hundred twelve thousand, three hundred thirteen".