22111320223 has 2 divisors, whose sum is σ = 22111320224. Its totient is φ = 22111320222.

The previous prime is 22111320103. The next prime is 22111320233. The reversal of 22111320223 is 32202311122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111320223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22111320223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111320233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055660111 + 11055660112.

It is an arithmetic number, because the mean of its divisors is an integer number (11055660112).

Almost surely, 2^22111320223 is an apocalyptic number.

22111320223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111320223 is an equidigital number, since it uses as much as digits as its factorization.

22111320223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22111320223 its reverse (32202311122), we get a palindrome (54313631345).

The spelling of 22111320223 in words is "twenty-two billion, one hundred eleven million, three hundred twenty thousand, two hundred twenty-three".