121424210441 has 2 divisors, whose sum is σ = 121424210442. Its totient is φ = 121424210440.

The previous prime is 121424210393. The next prime is 121424210443. The reversal of 121424210441 is 144012424121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105904034041 + 15520176400 = 325429^2 + 124580^2 .

It is a cyclic number.

It is not a de Polignac number, because 121424210441 - 2⁶ = 121424210377 is a prime.

It is a Sophie Germain prime.

Together with 121424210443, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121424210441.

It is not a weakly prime, because it can be changed into another prime (121424210443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60712105220 + 60712105221.

It is an arithmetic number, because the mean of its divisors is an integer number (60712105221).

Almost surely, 2^121424210441 is an apocalyptic number.

It is an amenable number.

121424210441 is a deficient number, since it is larger than the sum of its proper divisors (1).

121424210441 is an equidigital number, since it uses as much as digits as its factorization.

121424210441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 121424210441 its reverse (144012424121), we get a palindrome (265436634562).

The spelling of 121424210441 in words is "one hundred twenty-one billion, four hundred twenty-four million, two hundred ten thousand, four hundred forty-one".