24366220121 has 2 divisors, whose sum is σ = 24366220122. Its totient is φ = 24366220120.

The previous prime is 24366220013. The next prime is 24366220157. The reversal of 24366220121 is 12102266342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23346312025 + 1019908096 = 152795^2 + 31936^2 .

It is a cyclic number.

It is not a de Polignac number, because 24366220121 - 2¹⁴ = 24366203737 is a prime.

It is not a weakly prime, because it can be changed into another prime (24366220321) 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, 12183110060 + 12183110061.

It is an arithmetic number, because the mean of its divisors is an integer number (12183110061).

Almost surely, 2^24366220121 is an apocalyptic number.

It is an amenable number.

24366220121 is a deficient number, since it is larger than the sum of its proper divisors (1).

24366220121 is an equidigital number, since it uses as much as digits as its factorization.

24366220121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 24366220121 its reverse (12102266342), we get a palindrome (36468486463).

The spelling of 24366220121 in words is "twenty-four billion, three hundred sixty-six million, two hundred twenty thousand, one hundred twenty-one".