122321311331 has 4 divisors (see below), whose sum is σ = 122328339000. Its totient is φ = 122314283664.

The previous prime is 122321311327. The next prime is 122321311349. The reversal of 122321311331 is 133113123221.

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

It is a cyclic number.

It is not a de Polignac number, because 122321311331 - 2² = 122321311327 is a prime.

It is a super-2 number, since 2×122321311331² (a number of 23 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 = 122321311297 and 122321311306.

It is not an unprimeable number, because it can be changed into a prime (122321311351) 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, 3487661 + ... + 3522558.

It is an arithmetic number, because the mean of its divisors is an integer number (30582084750).

Almost surely, 2^122321311331 is an apocalyptic number.

122321311331 is a deficient number, since it is larger than the sum of its proper divisors (7027669).

122321311331 is an equidigital number, since it uses as much as digits as its factorization.

122321311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027668.

The product of its digits is 648, while the sum is 23.

Adding to 122321311331 its reverse (133113123221), we get a palindrome (255434434552).

The spelling of 122321311331 in words is "one hundred twenty-two billion, three hundred twenty-one million, three hundred eleven thousand, three hundred thirty-one".