243221104441 has 24 divisors (see below), whose sum is σ = 285988243200. Its totient is φ = 206233776000.

The previous prime is 243221104409. The next prime is 243221104517. The reversal of 243221104441 is 144401122342.

It is not a de Polignac number, because 243221104441 - 2⁵ = 243221104409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243021104441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1714960 + ... + 1851358.

It is an arithmetic number, because the mean of its divisors is an integer number (11916176800).

Almost surely, 2^243221104441 is an apocalyptic number.

It is an amenable number.

243221104441 is a deficient number, since it is larger than the sum of its proper divisors (42767138759).

243221104441 is a wasteful number, since it uses less digits than its factorization.

243221104441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136805 (or 136798 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 243221104441 its reverse (144401122342), we get a palindrome (387622226783).

The spelling of 243221104441 in words is "two hundred forty-three billion, two hundred twenty-one million, one hundred four thousand, four hundred forty-one".