323322220113121 has 4 divisors (see below), whose sum is σ = 323329480441492. Its totient is φ = 323314959784752.

The previous prime is 323322220113107. The next prime is 323322220113229. The reversal of 323322220113121 is 121311022223323.

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 237867726007521 + 85454494105600 = 15422961^2 + 9244160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323322220113121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323322220113121.

It is not an unprimeable number, because it can be changed into a prime (323322220113721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3630097386 + ... + 3630186451.

It is an arithmetic number, because the mean of its divisors is an integer number (80832370110373).

Almost surely, 2^{323322220113121} is an apocalyptic number.

It is an amenable number.

323322220113121 is a deficient number, since it is larger than the sum of its proper divisors (7260328371).

323322220113121 is an equidigital number, since it uses as much as digits as its factorization.

323322220113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7260328370.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 323322220113121 its reverse (121311022223323), we get a palindrome (444633242336444).

The spelling of 323322220113121 in words is "three hundred twenty-three trillion, three hundred twenty-two billion, two hundred twenty million, one hundred thirteen thousand, one hundred twenty-one".