2222111221079 has 2 divisors, whose sum is σ = 2222111221080. Its totient is φ = 2222111221078.

The previous prime is 2222111221049. The next prime is 2222111221129. The reversal of 2222111221079 is 9701221112222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222111221079 - 2¹⁶ = 2222111155543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222111221049) 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, 1111055610539 + 1111055610540.

It is an arithmetic number, because the mean of its divisors is an integer number (1111055610540).

Almost surely, 2^{2222111221079} is an apocalyptic number.

2222111221079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222111221079 is an equidigital number, since it uses as much as digits as its factorization.

2222111221079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 2222111221079 in words is "two trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, seventy-nine".