1121230212353 has 2 divisors, whose sum is σ = 1121230212354. Its totient is φ = 1121230212352.

The previous prime is 1121230212299. The next prime is 1121230212373. The reversal of 1121230212353 is 3532120321211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1072533639424 + 48696572929 = 1035632^2 + 220673^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121230212353 - 2⁸ = 1121230212097 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 (1121230212373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560615106176 + 560615106177.

It is an arithmetic number, because the mean of its divisors is an integer number (560615106177).

Almost surely, 2^{1121230212353} is an apocalyptic number.

It is an amenable number.

1121230212353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121230212353 is an equidigital number, since it uses as much as digits as its factorization.

1121230212353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1121230212353 its reverse (3532120321211), we get a palindrome (4653350533564).

The spelling of 1121230212353 in words is "one trillion, one hundred twenty-one billion, two hundred thirty million, two hundred twelve thousand, three hundred fifty-three".