2103000221 has 16 divisors (see below), whose sum is σ = 2523431040. Its totient is φ = 1714426560.

The previous prime is 2103000187. The next prime is 2103000223. The reversal of 2103000221 is 1220003012.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2103000221 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 (2103000223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 63710 + ... + 90911.

It is an arithmetic number, because the mean of its divisors is an integer number (157714440).

Almost surely, 2^2103000221 is an apocalyptic number.

It is an amenable number.

2103000221 is a deficient number, since it is larger than the sum of its proper divisors (420430819).

2103000221 is a wasteful number, since it uses less digits than its factorization.

2103000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154724.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2103000221 is about 45858.4803607795. The cubic root of 2103000221 is about 1281.1887193185.

Adding to 2103000221 its reverse (1220003012), we get a palindrome (3323003233).

The spelling of 2103000221 in words is "two billion, one hundred three million, two hundred twenty-one", and thus it is an aban number.