12223113313121 has 4 divisors (see below), whose sum is σ = 12223241784852. Its totient is φ = 12222984841392.

The previous prime is 12223113313093. The next prime is 12223113313171. The reversal of 12223113313121 is 12131331132221.

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 8642635706896 + 3580477606225 = 2939836^2 + 1892215^2 .

It is a cyclic number.

It is not a de Polignac number, because 12223113313121 - 2¹⁰ = 12223113312097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223113313171) 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, 64093046 + ... + 64283471.

It is an arithmetic number, because the mean of its divisors is an integer number (3055810446213).

Almost surely, 2^{12223113313121} is an apocalyptic number.

It is an amenable number.

12223113313121 is a deficient number, since it is larger than the sum of its proper divisors (128471731).

12223113313121 is an equidigital number, since it uses as much as digits as its factorization.

12223113313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128471730.

The product of its digits is 1296, while the sum is 26.

Adding to 12223113313121 its reverse (12131331132221), we get a palindrome (24354444445342).

The spelling of 12223113313121 in words is "twelve trillion, two hundred twenty-three billion, one hundred thirteen million, three hundred thirteen thousand, one hundred twenty-one".