222222022123 has 2 divisors, whose sum is σ = 222222022124. Its totient is φ = 222222022122.

The previous prime is 222222022103. The next prime is 222222022177. The reversal of 222222022123 is 321220222222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222222022123 - 2⁹ = 222222021611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222222022094 and 222222022103.

It is not a weakly prime, because it can be changed into another prime (222222022103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111011061 + 111111011062.

It is an arithmetic number, because the mean of its divisors is an integer number (111111011062).

Almost surely, 2^222222022123 is an apocalyptic number.

222222022123 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222022123 is an equidigital number, since it uses as much as digits as its factorization.

222222022123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 222222022123 its reverse (321220222222), we get a palindrome (543442244345).

The spelling of 222222022123 in words is "two hundred twenty-two billion, two hundred twenty-two million, twenty-two thousand, one hundred twenty-three".