12110122331321 has 4 divisors (see below), whose sum is σ = 13840139807232. Its totient is φ = 10380104855412.

The previous prime is 12110122331303. The next prime is 12110122331357. The reversal of 12110122331321 is 12313322101121.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-12110122331321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12110122331521) 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, 865008737945 + ... + 865008737958.

It is an arithmetic number, because the mean of its divisors is an integer number (3460034951808).

Almost surely, 2^{12110122331321} is an apocalyptic number.

It is an amenable number.

12110122331321 is a deficient number, since it is larger than the sum of its proper divisors (1730017475911).

12110122331321 is an equidigital number, since it uses as much as digits as its factorization.

12110122331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730017475910.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12110122331321 its reverse (12313322101121), we get a palindrome (24423444432442).

The spelling of 12110122331321 in words is "twelve trillion, one hundred ten billion, one hundred twenty-two million, three hundred thirty-one thousand, three hundred twenty-one".