13222331312111 has 2 divisors, whose sum is σ = 13222331312112. Its totient is φ = 13222331312110.

The previous prime is 13222331312087. The next prime is 13222331312143. The reversal of 13222331312111 is 11121313322231.

13222331312111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13222331312111 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13222331312011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611165656055 + 6611165656056.

It is an arithmetic number, because the mean of its divisors is an integer number (6611165656056).

Almost surely, 2^{13222331312111} is an apocalyptic number.

13222331312111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222331312111 is an equidigital number, since it uses as much as digits as its factorization.

13222331312111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

Adding to 13222331312111 its reverse (11121313322231), we get a palindrome (24343644634342).

The spelling of 13222331312111 in words is "thirteen trillion, two hundred twenty-two billion, three hundred thirty-one million, three hundred twelve thousand, one hundred eleven".