222112120073 has 2 divisors, whose sum is σ = 222112120074. Its totient is φ = 222112120072.

The previous prime is 222112119979. The next prime is 222112120091. The reversal of 222112120073 is 370021211222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130529018944 + 91583101129 = 361288^2 + 302627^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112120073 - 2²⁸ = 221843684617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (222112120273) 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, 111056060036 + 111056060037.

It is an arithmetic number, because the mean of its divisors is an integer number (111056060037).

Almost surely, 2^222112120073 is an apocalyptic number.

It is an amenable number.

222112120073 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112120073 is an equidigital number, since it uses as much as digits as its factorization.

222112120073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 222112120073 its reverse (370021211222), we get a palindrome (592133331295).

The spelling of 222112120073 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred twenty thousand, seventy-three".