441100400221 has 16 divisors (see below), whose sum is σ = 482389161408. Its totient is φ = 400869532800.

The previous prime is 441100400207. The next prime is 441100400231. The reversal of 441100400221 is 122004001144.

It is a cyclic number.

It is not a de Polignac number, because 441100400221 - 2²¹ = 441098303069 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 (441100400201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437561 + ... + 1717201.

It is an arithmetic number, because the mean of its divisors is an integer number (30149322588).

Almost surely, 2^441100400221 is an apocalyptic number.

It is an amenable number.

441100400221 is a deficient number, since it is larger than the sum of its proper divisors (41288761187).

441100400221 is a wasteful number, since it uses less digits than its factorization.

441100400221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281532.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 441100400221 its reverse (122004001144), we get a palindrome (563104401365).

The spelling of 441100400221 in words is "four hundred forty-one billion, one hundred million, four hundred thousand, two hundred twenty-one".