13332112202221 has 4 divisors (see below), whose sum is σ = 13469556658012. Its totient is φ = 13194667746432.

The previous prime is 13332112202207. The next prime is 13332112202251. The reversal of 13332112202221 is 12220221123331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6002157004900 + 7329955197321 = 2449930^2 + 2707389^2 .

It is a cyclic number.

It is not a de Polignac number, because 13332112202221 - 2⁷ = 13332112202093 is a prime.

It is a super-2 number, since 2×13332112202221² (a number of 27 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 (13332112202251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68722227750 + ... + 68722227943.

It is an arithmetic number, because the mean of its divisors is an integer number (3367389164503).

Almost surely, 2^{13332112202221} is an apocalyptic number.

It is an amenable number.

13332112202221 is a deficient number, since it is larger than the sum of its proper divisors (137444455791).

13332112202221 is an equidigital number, since it uses as much as digits as its factorization.

13332112202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137444455790.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13332112202221 its reverse (12220221123331), we get a palindrome (25552333325552).

The spelling of 13332112202221 in words is "thirteen trillion, three hundred thirty-two billion, one hundred twelve million, two hundred two thousand, two hundred twenty-one".