210243324241 has 4 divisors (see below), whose sum is σ = 210244479412. Its totient is φ = 210242169072.

The previous prime is 210243324191. The next prime is 210243324271. The reversal of 210243324241 is 142423342012.

210243324241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 206937649216 + 3305675025 = 454904^2 + 57495^2 .

It is a cyclic number.

It is not a de Polignac number, because 210243324241 - 2¹¹ = 210243322193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210243324271) 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 in 3 ways as a sum of consecutive naturals, for example, 238050 + ... + 690763.

It is an arithmetic number, because the mean of its divisors is an integer number (52561119853).

Almost surely, 2^210243324241 is an apocalyptic number.

It is an amenable number.

210243324241 is a deficient number, since it is larger than the sum of its proper divisors (1155171).

210243324241 is an equidigital number, since it uses as much as digits as its factorization.

210243324241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155170.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 210243324241 its reverse (142423342012), we get a palindrome (352666666253).

The spelling of 210243324241 in words is "two hundred ten billion, two hundred forty-three million, three hundred twenty-four thousand, two hundred forty-one".