1012220211089 has 2 divisors, whose sum is σ = 1012220211090. Its totient is φ = 1012220211088.

The previous prime is 1012220211059. The next prime is 1012220211169. The reversal of 1012220211089 is 9801120222101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 701339251600 + 310880959489 = 837460^2 + 557567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012220211089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012220211029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506110105544 + 506110105545.

It is an arithmetic number, because the mean of its divisors is an integer number (506110105545).

Almost surely, 2^{1012220211089} is an apocalyptic number.

It is an amenable number.

1012220211089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012220211089 is an equidigital number, since it uses as much as digits as its factorization.

1012220211089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 1012220211089 in words is "one trillion, twelve billion, two hundred twenty million, two hundred eleven thousand, eighty-nine".