1121221089353 has 2 divisors, whose sum is σ = 1121221089354. Its totient is φ = 1121221089352.

The previous prime is 1121221089349. The next prime is 1121221089361. The reversal of 1121221089353 is 3539801221211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 627086604544 + 494134484809 = 791888^2 + 702947^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121221089353 - 2² = 1121221089349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1121221089383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560610544676 + 560610544677.

It is an arithmetic number, because the mean of its divisors is an integer number (560610544677).

Almost surely, 2^{1121221089353} is an apocalyptic number.

It is an amenable number.

1121221089353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121221089353 is an equidigital number, since it uses as much as digits as its factorization.

1121221089353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 1121221089353 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-one million, eighty-nine thousand, three hundred fifty-three".