2221120079 has 2 divisors, whose sum is σ = 2221120080. Its totient is φ = 2221120078.

The previous prime is 2221120049. The next prime is 2221120087. The reversal of 2221120079 is 9700211222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221120079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221120049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110560039 + 1110560040.

It is an arithmetic number, because the mean of its divisors is an integer number (1110560040).

Almost surely, 2^2221120079 is an apocalyptic number.

2221120079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221120079 is an equidigital number, since it uses as much as digits as its factorization.

2221120079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 2221120079 is about 47128.7606350942. The cubic root of 2221120079 is about 1304.7401074720.

The spelling of 2221120079 in words is "two billion, two hundred twenty-one million, one hundred twenty thousand, seventy-nine".