2101222211089 has 2 divisors, whose sum is σ = 2101222211090. Its totient is φ = 2101222211088.

The previous prime is 2101222211083. The next prime is 2101222211111. The reversal of 2101222211089 is 9801122221012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1536650306689 + 564571904400 = 1239617^2 + 751380^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101222211089 - 2³¹ = 2099074727441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101222211089.

It is not a weakly prime, because it can be changed into another prime (2101222211083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050611105544 + 1050611105545.

It is an arithmetic number, because the mean of its divisors is an integer number (1050611105545).

Almost surely, 2^{2101222211089} is an apocalyptic number.

It is an amenable number.

2101222211089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101222211089 is an equidigital number, since it uses as much as digits as its factorization.

2101222211089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 2101222211089 in words is "two trillion, one hundred one billion, two hundred twenty-two million, two hundred eleven thousand, eighty-nine".