13223012111 has 2 divisors, whose sum is σ = 13223012112. Its totient is φ = 13223012110.

The previous prime is 13223012107. The next prime is 13223012129. The reversal of 13223012111 is 11121032231.

It is a weak prime.

It is an emirp because it is prime and its reverse (11121032231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13223012111 - 2² = 13223012107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13223012111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223012611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611506055 + 6611506056.

It is an arithmetic number, because the mean of its divisors is an integer number (6611506056).

Almost surely, 2^13223012111 is an apocalyptic number.

13223012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223012111 is an equidigital number, since it uses as much as digits as its factorization.

13223012111 is an evil number, because the sum of its binary digits is even.

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

Adding to 13223012111 its reverse (11121032231), we get a palindrome (24344044342).

The spelling of 13223012111 in words is "thirteen billion, two hundred twenty-three million, twelve thousand, one hundred eleven".