222123112369 has 2 divisors, whose sum is σ = 222123112370. Its totient is φ = 222123112368.

The previous prime is 222123112331. The next prime is 222123112373. The reversal of 222123112369 is 963211321222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220247183025 + 1875929344 = 469305^2 + 43312^2 .

It is a cyclic number.

It is not a de Polignac number, because 222123112369 - 2⁹ = 222123111857 is a prime.

It is a super-2 number, since 2×222123112369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222123112469) 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, 111061556184 + 111061556185.

It is an arithmetic number, because the mean of its divisors is an integer number (111061556185).

Almost surely, 2^222123112369 is an apocalyptic number.

It is an amenable number.

222123112369 is a deficient number, since it is larger than the sum of its proper divisors (1).

222123112369 is an equidigital number, since it uses as much as digits as its factorization.

222123112369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The spelling of 222123112369 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred twelve thousand, three hundred sixty-nine".