4441040221221 has 12 divisors (see below), whose sum is σ = 6463804089600. Its totient is φ = 2938092766440.

The previous prime is 4441040221201. The next prime is 4441040221249. The reversal of 4441040221221 is 1221220401444.

4441040221221 is a `hidden beast` number, since 4 + 4 + 4 + 10 + 402 + 21 + 221 = 666.

It is not a de Polignac number, because 4441040221221 - 2⁹ = 4441040220709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441040221201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1883391621 + ... + 1883393978.

It is an arithmetic number, because the mean of its divisors is an integer number (538650340800).

Almost surely, 2^{4441040221221} is an apocalyptic number.

It is an amenable number.

4441040221221 is a deficient number, since it is larger than the sum of its proper divisors (2022763868379).

4441040221221 is a wasteful number, since it uses less digits than its factorization.

4441040221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766785736 (or 3766785733 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 4441040221221 its reverse (1221220401444), we get a palindrome (5662260622665).

The spelling of 4441040221221 in words is "four trillion, four hundred forty-one billion, forty million, two hundred twenty-one thousand, two hundred twenty-one".