12223232111 has 2 divisors, whose sum is σ = 12223232112. Its totient is φ = 12223232110.

The previous prime is 12223232083. The next prime is 12223232173. The reversal of 12223232111 is 11123232221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12223232111 - 2²⁶ = 12156123247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12223232911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111616055 + 6111616056.

It is an arithmetic number, because the mean of its divisors is an integer number (6111616056).

Almost surely, 2^12223232111 is an apocalyptic number.

12223232111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223232111 is an equidigital number, since it uses as much as digits as its factorization.

12223232111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

Adding to 12223232111 its reverse (11123232221), we get a palindrome (23346464332).

The spelling of 12223232111 in words is "twelve billion, two hundred twenty-three million, two hundred thirty-two thousand, one hundred eleven".