4411130021 has 4 divisors (see below), whose sum is σ = 4411303500. Its totient is φ = 4410956544.

The previous prime is 4411130011. The next prime is 4411130023. The reversal of 4411130021 is 1200311144.

It is a happy number.

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 4305328225 + 105801796 = 65615^2 + 10286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4411130021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4411130023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40316 + ... + 102213.

It is an arithmetic number, because the mean of its divisors is an integer number (1102825875).

Almost surely, 2^4411130021 is an apocalyptic number.

It is an amenable number.

4411130021 is a deficient number, since it is larger than the sum of its proper divisors (173479).

4411130021 is a wasteful number, since it uses less digits than its factorization.

4411130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173478.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 4411130021 is about 66416.3385094361. The cubic root of 4411130021 is about 1640.0230540334.

Adding to 4411130021 its reverse (1200311144), we get a palindrome (5611441165).

The spelling of 4411130021 in words is "four billion, four hundred eleven million, one hundred thirty thousand, twenty-one".