12221341042441 has 2 divisors, whose sum is σ = 12221341042442. Its totient is φ = 12221341042440.

The previous prime is 12221341042433. The next prime is 12221341042447. The reversal of 12221341042441 is 14424014312221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8225424000000 + 3995917042441 = 2868000^2 + 1998979^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221341042441 - 2³ = 12221341042433 is a prime.

It is a super-2 number, since 2×12221341042441² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12221341042447) 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, 6110670521220 + 6110670521221.

It is an arithmetic number, because the mean of its divisors is an integer number (6110670521221).

Almost surely, 2^{12221341042441} is an apocalyptic number.

It is an amenable number.

12221341042441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221341042441 is an equidigital number, since it uses as much as digits as its factorization.

12221341042441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 12221341042441 its reverse (14424014312221), we get a palindrome (26645355354662).

The spelling of 12221341042441 in words is "twelve trillion, two hundred twenty-one billion, three hundred forty-one million, forty-two thousand, four hundred forty-one".