2101304444 has 24 divisors (see below), whose sum is σ = 3782934960. Its totient is φ = 1020560256.

The previous prime is 2101304441. The next prime is 2101304453. The reversal of 2101304444 is 4444031012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101304441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80144 + ... + 103080.

It is an arithmetic number, because the mean of its divisors is an integer number (157622290).

Almost surely, 2^2101304444 is an apocalyptic number.

It is an amenable number.

2101304444 is a deficient number, since it is larger than the sum of its proper divisors (1681630516).

2101304444 is a wasteful number, since it uses less digits than its factorization.

2101304444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23597 (or 23595 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2101304444 is about 45839.9873909232. The cubic root of 2101304444 is about 1280.8442599168.

Adding to 2101304444 its reverse (4444031012), we get a palindrome (6545335456).

The spelling of 2101304444 in words is "two billion, one hundred one million, three hundred four thousand, four hundred forty-four".