22122112123 has 2 divisors, whose sum is σ = 22122112124. Its totient is φ = 22122112122.

The previous prime is 22122112097. The next prime is 22122112141. The reversal of 22122112123 is 32121122122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22122112123 - 2²⁹ = 21585241211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22122112123.

It is not a weakly prime, because it can be changed into another prime (22122112153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061056061 + 11061056062.

It is an arithmetic number, because the mean of its divisors is an integer number (11061056062).

Almost surely, 2^22122112123 is an apocalyptic number.

22122112123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122112123 is an equidigital number, since it uses as much as digits as its factorization.

22122112123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

Adding to 22122112123 its reverse (32121122122), we get a palindrome (54243234245).

Subtracting 22122112123 from its reverse (32121122122), we obtain a palindrome (9999009999).

The spelling of 22122112123 in words is "twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-three".