12223113121121 has 32 divisors (see below), whose sum is σ = 14472791907840. Its totient is φ = 10100415177216.

The previous prime is 12223113121117. The next prime is 12223113121127. The reversal of 12223113121121 is 12112131132221.

12223113121121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12223113121121 - 2² = 12223113121117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12223113121127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471139676 + ... + 471165618.

It is an arithmetic number, because the mean of its divisors is an integer number (452274747120).

Almost surely, 2^{12223113121121} is an apocalyptic number.

It is an amenable number.

12223113121121 is a deficient number, since it is larger than the sum of its proper divisors (2249678786719).

12223113121121 is a wasteful number, since it uses less digits than its factorization.

12223113121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29393.

The product of its digits is 288, while the sum is 23.

Adding to 12223113121121 its reverse (12112131132221), we get a palindrome (24335244253342).

The spelling of 12223113121121 in words is "twelve trillion, two hundred twenty-three billion, one hundred thirteen million, one hundred twenty-one thousand, one hundred twenty-one".