122311333321 has 4 divisors (see below), whose sum is σ = 129506117652. Its totient is φ = 115116548992.

The previous prime is 122311333289. The next prime is 122311333327. The reversal of 122311333321 is 123333113221.

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 64006470025 + 58304863296 = 252995^2 + 241464^2 .

It is a cyclic number.

It is not a de Polignac number, because 122311333321 - 2⁵ = 122311333289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122311333327) 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, 3597392140 + ... + 3597392173.

It is an arithmetic number, because the mean of its divisors is an integer number (32376529413).

Almost surely, 2^122311333321 is an apocalyptic number.

It is an amenable number.

122311333321 is a deficient number, since it is larger than the sum of its proper divisors (7194784331).

122311333321 is an equidigital number, since it uses as much as digits as its factorization.

122311333321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7194784330.

The product of its digits is 1944, while the sum is 25.

Adding to 122311333321 its reverse (123333113221), we get a palindrome (245644446542).

The spelling of 122311333321 in words is "one hundred twenty-two billion, three hundred eleven million, three hundred thirty-three thousand, three hundred twenty-one".