4100441403221 has 4 divisors (see below), whose sum is σ = 4101276698700. Its totient is φ = 4099606107744.

The previous prime is 4100441403209. The next prime is 4100441403251. The reversal of 4100441403221 is 1223041440014.

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 3958154019121 + 142287384100 = 1989511^2 + 377210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4100441403221 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 (4100441403251) 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, 417640376 + ... + 417650193.

It is an arithmetic number, because the mean of its divisors is an integer number (1025319174675).

Almost surely, 2^{4100441403221} is an apocalyptic number.

It is an amenable number.

4100441403221 is a deficient number, since it is larger than the sum of its proper divisors (835295479).

4100441403221 is an equidigital number, since it uses as much as digits as its factorization.

4100441403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835295478.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 4100441403221 its reverse (1223041440014), we get a palindrome (5323482843235).

The spelling of 4100441403221 in words is "four trillion, one hundred billion, four hundred forty-one million, four hundred three thousand, two hundred twenty-one".