222112002120689 has 2 divisors, whose sum is σ = 222112002120690. Its totient is φ = 222112002120688.

The previous prime is 222112002120683. The next prime is 222112002120707. The reversal of 222112002120689 is 986021200211222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152943505223089 + 69168496897600 = 12367033^2 + 8316760^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112002120689 - 2¹² = 222112002116593 is a prime.

It is not a weakly prime, because it can be changed into another prime (222112002120683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056001060344 + 111056001060345.

It is an arithmetic number, because the mean of its divisors is an integer number (111056001060345).

Almost surely, 2^{222112002120689} is an apocalyptic number.

It is an amenable number.

222112002120689 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112002120689 is an equidigital number, since it uses as much as digits as its factorization.

222112002120689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 222112002120689 in words is "two hundred twenty-two trillion, one hundred twelve billion, two million, one hundred twenty thousand, six hundred eighty-nine".