1121022110209 has 2 divisors, whose sum is σ = 1121022110210. Its totient is φ = 1121022110208.

The previous prime is 1121022110189. The next prime is 1121022110231. The reversal of 1121022110209 is 9020112201211.

It is an a-pointer prime, because the next prime (1121022110231) can be obtained adding 1121022110209 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605210870209 + 515811240000 = 777953^2 + 718200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121022110209 - 2¹¹ = 1121022108161 is a prime.

It is a super-3 number, since 3×1121022110209³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121022110209.

It is not a weakly prime, because it can be changed into another prime (1121022110269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560511055104 + 560511055105.

It is an arithmetic number, because the mean of its divisors is an integer number (560511055105).

Almost surely, 2^{1121022110209} is an apocalyptic number.

It is an amenable number.

1121022110209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121022110209 is an equidigital number, since it uses as much as digits as its factorization.

1121022110209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1121022110209 in words is "one trillion, one hundred twenty-one billion, twenty-two million, one hundred ten thousand, two hundred nine".