241005144254221 has 4 divisors (see below), whose sum is σ = 241006593874972. Its totient is φ = 241003694633472.

The previous prime is 241005144254209. The next prime is 241005144254249. The reversal of 241005144254221 is 122452441500142.

It is a happy number.

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 38716706175625 + 202288438078596 = 6222275^2 + 14222814^2 .

It is a cyclic number.

It is not a de Polignac number, because 241005144254221 - 2²⁵ = 241005110699789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241005144254521) 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, 724560966 + ... + 724893511.

It is an arithmetic number, because the mean of its divisors is an integer number (60251648468743).

Almost surely, 2^{241005144254221} is an apocalyptic number.

It is an amenable number.

241005144254221 is a deficient number, since it is larger than the sum of its proper divisors (1449620751).

241005144254221 is a wasteful number, since it uses less digits than its factorization.

241005144254221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449620750.

The product of its (nonzero) digits is 102400, while the sum is 37.

Adding to 241005144254221 its reverse (122452441500142), we get a palindrome (363457585754363).

The spelling of 241005144254221 in words is "two hundred forty-one trillion, five billion, one hundred forty-four million, two hundred fifty-four thousand, two hundred twenty-one".