13302001223221 has 4 divisors (see below), whose sum is σ = 13302335559744. Its totient is φ = 13301666886700.

The previous prime is 13302001223183. The next prime is 13302001223227. The reversal of 13302001223221 is 12232210020331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13302001223221 - 2³¹ = 13299853739573 is a prime.

It is a super-2 number, since 2×13302001223221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13302001223192 and 13302001223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13302001223227) 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, 167108575 + ... + 167188156.

It is an arithmetic number, because the mean of its divisors is an integer number (3325583889936).

Almost surely, 2^{13302001223221} is an apocalyptic number.

It is an amenable number.

13302001223221 is a deficient number, since it is larger than the sum of its proper divisors (334336523).

13302001223221 is an equidigital number, since it uses as much as digits as its factorization.

13302001223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334336522.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13302001223221 its reverse (12232210020331), we get a palindrome (25534211243552).

The spelling of 13302001223221 in words is "thirteen trillion, three hundred two billion, one million, two hundred twenty-three thousand, two hundred twenty-one".