1122321211309 has 2 divisors, whose sum is σ = 1122321211310. Its totient is φ = 1122321211308.

The previous prime is 1122321211261. The next prime is 1122321211369. The reversal of 1122321211309 is 9031121232211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 906284960100 + 216036251209 = 951990^2 + 464797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122321211309 - 2⁷ = 1122321211181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122321211369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561160605654 + 561160605655.

It is an arithmetic number, because the mean of its divisors is an integer number (561160605655).

Almost surely, 2^{1122321211309} is an apocalyptic number.

It is an amenable number.

1122321211309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122321211309 is an equidigital number, since it uses as much as digits as its factorization.

1122321211309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1122321211309 in words is "one trillion, one hundred twenty-two billion, three hundred twenty-one million, two hundred eleven thousand, three hundred nine".