2222120123 has 2 divisors, whose sum is σ = 2222120124. Its totient is φ = 2222120122.

The previous prime is 2222120113. The next prime is 2222120177. The reversal of 2222120123 is 3210212222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222120123 - 2⁶ = 2222120059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222120113) 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, 1111060061 + 1111060062.

It is an arithmetic number, because the mean of its divisors is an integer number (1111060062).

Almost surely, 2^2222120123 is an apocalyptic number.

2222120123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222120123 is an equidigital number, since it uses as much as digits as its factorization.

2222120123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2222120123 is about 47139.3691408784. The cubic root of 2222120123 is about 1304.9358948365.

Adding to 2222120123 its reverse (3210212222), we get a palindrome (5432332345).

The spelling of 2222120123 in words is "two billion, two hundred twenty-two million, one hundred twenty thousand, one hundred twenty-three".