22211122111223 has 2 divisors, whose sum is σ = 22211122111224. Its totient is φ = 22211122111222.

The previous prime is 22211122111201. The next prime is 22211122111229. The reversal of 22211122111223 is 32211122111222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22211122111223 - 2²² = 22211117916919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22211122111229) 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, 11105561055611 + 11105561055612.

It is an arithmetic number, because the mean of its divisors is an integer number (11105561055612).

Almost surely, 2^{22211122111223} is an apocalyptic number.

22211122111223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211122111223 is an equidigital number, since it uses as much as digits as its factorization.

22211122111223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 23.

Adding to 22211122111223 its reverse (32211122111222), we get a palindrome (54422244222445).

Subtracting 22211122111223 from its reverse (32211122111222), we obtain a palindrome (9999999999999).

The spelling of 22211122111223 in words is "twenty-two trillion, two hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, two hundred twenty-three".