13022123111 has 2 divisors, whose sum is σ = 13022123112. Its totient is φ = 13022123110.

The previous prime is 13022123077. The next prime is 13022123117. The reversal of 13022123111 is 11132122031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13022123111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13022123111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13022123117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511061555 + 6511061556.

It is an arithmetic number, because the mean of its divisors is an integer number (6511061556).

Almost surely, 2^13022123111 is an apocalyptic number.

13022123111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13022123111 is an equidigital number, since it uses as much as digits as its factorization.

13022123111 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 13022123111 its reverse (11132122031), we get a palindrome (24154245142).

The spelling of 13022123111 in words is "thirteen billion, twenty-two million, one hundred twenty-three thousand, one hundred eleven".