12220221071089 has 2 divisors, whose sum is σ = 12220221071090. Its totient is φ = 12220221071088.

The previous prime is 12220221071029. The next prime is 12220221071101. The reversal of 12220221071089 is 98017012202221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8800003590400 + 3420217480689 = 2966480^2 + 1849383^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220221071089 - 2²³ = 12220212682481 is a prime.

It is not a weakly prime, because it can be changed into another prime (12220221071029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110110535544 + 6110110535545.

It is an arithmetic number, because the mean of its divisors is an integer number (6110110535545).

Almost surely, 2^{12220221071089} is an apocalyptic number.

It is an amenable number.

12220221071089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220221071089 is an equidigital number, since it uses as much as digits as its factorization.

12220221071089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 12220221071089 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, seventy-one thousand, eighty-nine".