12224121411 has 4 divisors (see below), whose sum is σ = 16298828552. Its totient is φ = 8149414272.

The previous prime is 12224121379. The next prime is 12224121433. The reversal of 12224121411 is 11412142221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11412142221 = 3 ⋅3804047407.

It is not a de Polignac number, because 12224121411 - 2⁵ = 12224121379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12224121451) 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, 2037353566 + ... + 2037353571.

It is an arithmetic number, because the mean of its divisors is an integer number (4074707138).

Almost surely, 2^12224121411 is an apocalyptic number.

12224121411 is a deficient number, since it is larger than the sum of its proper divisors (4074707141).

12224121411 is an equidigital number, since it uses as much as digits as its factorization.

12224121411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074707140.

The product of its digits is 256, while the sum is 21.

Adding to 12224121411 its reverse (11412142221), we get a palindrome (23636263632).

The spelling of 12224121411 in words is "twelve billion, two hundred twenty-four million, one hundred twenty-one thousand, four hundred eleven".