1222001122109 has 2 divisors, whose sum is σ = 1222001122110. Its totient is φ = 1222001122108.

The previous prime is 1222001121977. The next prime is 1222001122157. The reversal of 1222001122109 is 9012211002221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 658183351225 + 563817770884 = 811285^2 + 750878^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222001122109 - 2⁸ = 1222001121853 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222001122189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611000561054 + 611000561055.

It is an arithmetic number, because the mean of its divisors is an integer number (611000561055).

Almost surely, 2^{1222001122109} is an apocalyptic number.

It is an amenable number.

1222001122109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222001122109 is an equidigital number, since it uses as much as digits as its factorization.

1222001122109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

It can be divided in two parts, 122200112 and 2109, that added together give a palindrome (122202221).

The spelling of 1222001122109 in words is "one trillion, two hundred twenty-two billion, one million, one hundred twenty-two thousand, one hundred nine".