243421024211 has 2 divisors, whose sum is σ = 243421024212. Its totient is φ = 243421024210.

The previous prime is 243421024177. The next prime is 243421024229. The reversal of 243421024211 is 112420124342.

243421024211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243421024211 - 2²² = 243416829907 is a prime.

It is not a weakly prime, because it can be changed into another prime (243421024241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121710512105 + 121710512106.

It is an arithmetic number, because the mean of its divisors is an integer number (121710512106).

Almost surely, 2^243421024211 is an apocalyptic number.

243421024211 is a deficient number, since it is larger than the sum of its proper divisors (1).

243421024211 is an equidigital number, since it uses as much as digits as its factorization.

243421024211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 243421024211 its reverse (112420124342), we get a palindrome (355841148553).

The spelling of 243421024211 in words is "two hundred forty-three billion, four hundred twenty-one million, twenty-four thousand, two hundred eleven".