12110313221 has 4 divisors (see below), whose sum is σ = 12187449132. Its totient is φ = 12033177312.

The previous prime is 12110313197. The next prime is 12110313227. The reversal of 12110313221 is 12231301121.

12110313221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7763548321 + 4346764900 = 88111^2 + 65930^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110313221 - 2²⁶ = 12043204357 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 12110313221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110313227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38567720 + ... + 38568033.

It is an arithmetic number, because the mean of its divisors is an integer number (3046862283).

Almost surely, 2^12110313221 is an apocalyptic number.

It is an amenable number.

12110313221 is a deficient number, since it is larger than the sum of its proper divisors (77135911).

12110313221 is an equidigital number, since it uses as much as digits as its factorization.

12110313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77135910.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12110313221 its reverse (12231301121), we get a palindrome (24341614342).

The spelling of 12110313221 in words is "twelve billion, one hundred ten million, three hundred thirteen thousand, two hundred twenty-one".