4441110021 has 12 divisors (see below), whose sum is σ = 6418949472. Its totient is φ = 2958887976.

The previous prime is 4441110017. The next prime is 4441110029. The reversal of 4441110021 is 1200111444.

It is not a de Polignac number, because 4441110021 - 2² = 4441110017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4441109976 and 4441110003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441110029) 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, 139071 + ... + 167996.

It is an arithmetic number, because the mean of its divisors is an integer number (534912456).

Almost surely, 2^4441110021 is an apocalyptic number.

It is an amenable number.

4441110021 is a deficient number, since it is larger than the sum of its proper divisors (1977839451).

4441110021 is a wasteful number, since it uses less digits than its factorization.

4441110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308680 (or 308677 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4441110021 is about 66641.6537985065. The cubic root of 4441110021 is about 1643.7301102501.

Adding to 4441110021 its reverse (1200111444), we get a palindrome (5641221465).

The spelling of 4441110021 in words is "four billion, four hundred forty-one million, one hundred ten thousand, twenty-one".