1323301233221 has 32 divisors (see below), whose sum is σ = 1598175360000. Its totient is φ = 1080836570880.

The previous prime is 1323301233181. The next prime is 1323301233239. The reversal of 1323301233221 is 1223321033231.

It is not a de Polignac number, because 1323301233221 - 2⁶ = 1323301233157 is a prime.

It is a super-2 number, since 2×1323301233221² (a number of 25 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 (1323301232221) 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, 1837910 + ... + 2454488.

It is an arithmetic number, because the mean of its divisors is an integer number (49942980000).

Almost surely, 2^{1323301233221} is an apocalyptic number.

1323301233221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1323301233221 is a deficient number, since it is larger than the sum of its proper divisors (274874126779).

1323301233221 is a wasteful number, since it uses less digits than its factorization.

1323301233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617129.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1323301233221 its reverse (1223321033231), we get a palindrome (2546622266452).

The spelling of 1323301233221 in words is "one trillion, three hundred twenty-three billion, three hundred one million, two hundred thirty-three thousand, two hundred twenty-one".