1121123320297 has 2 divisors, whose sum is σ = 1121123320298. Its totient is φ = 1121123320296.

The previous prime is 1121123320283. The next prime is 1121123320327. The reversal of 1121123320297 is 7920233211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1027281575401 + 93841744896 = 1013549^2 + 306336^2 .

It is an emirp because it is prime and its reverse (7920233211211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121123320297 - 2³⁵ = 1086763581929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121123320277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560561660148 + 560561660149.

It is an arithmetic number, because the mean of its divisors is an integer number (560561660149).

Almost surely, 2^{1121123320297} is an apocalyptic number.

It is an amenable number.

1121123320297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121123320297 is an equidigital number, since it uses as much as digits as its factorization.

1121123320297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 1121123320297 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, three hundred twenty thousand, two hundred ninety-seven".