2112003444 has 24 divisors (see below), whose sum is σ = 5187377440. Its totient is φ = 666948384.

The previous prime is 2112003419. The next prime is 2112003457. The reversal of 2112003444 is 4443002112.

It is a super-2 number, since 2×2112003444² = 8921117094935722272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112003444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4631359 + ... + 4631814.

Almost surely, 2^2112003444 is an apocalyptic number.

It is an amenable number.

2112003444 is an abundant number, since it is smaller than the sum of its proper divisors (3075373996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112003444 is a wasteful number, since it uses less digits than its factorization.

2112003444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9263199 (or 9263197 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2112003444 is about 45956.5386425044. The cubic root of 2112003444 is about 1283.0144293937.

Adding to 2112003444 its reverse (4443002112), we get a palindrome (6555005556).

The spelling of 2112003444 in words is "two billion, one hundred twelve million, three thousand, four hundred forty-four".