11222221120079 has 2 divisors, whose sum is σ = 11222221120080. Its totient is φ = 11222221120078.

The previous prime is 11222221120073. The next prime is 11222221120171. The reversal of 11222221120079 is 97002112222211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222221120079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222221120073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611110560039 + 5611110560040.

It is an arithmetic number, because the mean of its divisors is an integer number (5611110560040).

Almost surely, 2^{11222221120079} is an apocalyptic number.

11222221120079 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222221120079 is an equidigital number, since it uses as much as digits as its factorization.

11222221120079 is an evil number, because the sum of its binary digits is even.

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

The spelling of 11222221120079 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, seventy-nine".