2021330103 has 16 divisors (see below), whose sum is σ = 2939166720. Its totient is φ = 1228148064.

The previous prime is 2021330089. The next prime is 2021330149. The reversal of 2021330103 is 3010331202.

It is not a de Polignac number, because 2021330103 - 2⁹ = 2021329591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021330803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324951 + ... + 331112.

It is an arithmetic number, because the mean of its divisors is an integer number (183697920).

Almost surely, 2^2021330103 is an apocalyptic number.

2021330103 is a deficient number, since it is larger than the sum of its proper divisors (917836617).

2021330103 is a wasteful number, since it uses less digits than its factorization.

2021330103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656158.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2021330103 is about 44959.2048750865. The cubic root of 2021330103 is about 1264.3842614674.

Adding to 2021330103 its reverse (3010331202), we get a palindrome (5031661305).

The spelling of 2021330103 in words is "two billion, twenty-one million, three hundred thirty thousand, one hundred three".