243114130121 has 2 divisors, whose sum is σ = 243114130122. Its totient is φ = 243114130120.

The previous prime is 243114130099. The next prime is 243114130157. The reversal of 243114130121 is 121031411342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134997456400 + 108116673721 = 367420^2 + 328811^2 .

It is a cyclic number.

It is not a de Polignac number, because 243114130121 - 2⁶ = 243114130057 is a prime.

It is not a weakly prime, because it can be changed into another prime (243114136121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121557065060 + 121557065061.

It is an arithmetic number, because the mean of its divisors is an integer number (121557065061).

Almost surely, 2^243114130121 is an apocalyptic number.

It is an amenable number.

243114130121 is a deficient number, since it is larger than the sum of its proper divisors (1).

243114130121 is an equidigital number, since it uses as much as digits as its factorization.

243114130121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 243114130121 its reverse (121031411342), we get a palindrome (364145541463).

The spelling of 243114130121 in words is "two hundred forty-three billion, one hundred fourteen million, one hundred thirty thousand, one hundred twenty-one".