241221510325441 has 4 divisors (see below), whose sum is σ = 242840446636500. Its totient is φ = 239602574014384.

The previous prime is 241221510325429. The next prime is 241221510325447. The reversal of 241221510325441 is 144523015122142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46515878265025 + 194705632060416 = 6820255^2 + 13953696^2 .

It is a cyclic number.

It is not a de Polignac number, because 241221510325441 - 2⁹ = 241221510324929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 241221510325441.

It is not an unprimeable number, because it can be changed into a prime (241221510325447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809468155306 + ... + 809468155603.

It is an arithmetic number, because the mean of its divisors is an integer number (60710111659125).

Almost surely, 2^{241221510325441} is an apocalyptic number.

It is an amenable number.

241221510325441 is a deficient number, since it is larger than the sum of its proper divisors (1618936311059).

241221510325441 is a wasteful number, since it uses less digits than its factorization.

241221510325441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618936311058.

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 241221510325441 its reverse (144523015122142), we get a palindrome (385744525447583).

The spelling of 241221510325441 in words is "two hundred forty-one trillion, two hundred twenty-one billion, five hundred ten million, three hundred twenty-five thousand, four hundred forty-one".