2103021444 has 24 divisors (see below), whose sum is σ = 4912669888. Its totient is φ = 700204320.

The previous prime is 2103021433. The next prime is 2103021451. The reversal of 2103021444 is 4441203012.

It is a self number, because there is not a number n which added to its sum of digits gives 2103021444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89392 + ... + 110439.

Almost surely, 2^2103021444 is an apocalyptic number.

It is an amenable number.

2103021444 is an abundant number, since it is smaller than the sum of its proper divisors (2809648444).

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

2103021444 is a wasteful number, since it uses less digits than its factorization.

2103021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200715 (or 200713 counting only the distinct ones).

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

The square root of 2103021444 is about 45858.7117568734. The cubic root of 2103021444 is about 1281.1930291258.

Adding to 2103021444 its reverse (4441203012), we get a palindrome (6544224456).

The spelling of 2103021444 in words is "two billion, one hundred three million, twenty-one thousand, four hundred forty-four".