2021220303 has 16 divisors (see below), whose sum is σ = 2712667776. Its totient is φ = 1338642720.

The previous prime is 2021220301. The next prime is 2021220319. The reversal of 2021220303 is 3030221202.

It is not a de Polignac number, because 2021220303 - 2¹ = 2021220301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021220301) 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, 969300 + ... + 971382.

It is an arithmetic number, because the mean of its divisors is an integer number (169541736).

Almost surely, 2^2021220303 is an apocalyptic number.

2021220303 is a deficient number, since it is larger than the sum of its proper divisors (691447473).

2021220303 is a wasteful number, since it uses less digits than its factorization.

2021220303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2021220303 is about 44957.9837514985. The cubic root of 2021220303 is about 1264.3613669873.

Adding to 2021220303 its reverse (3030221202), we get a palindrome (5051441505).

The spelling of 2021220303 in words is "two billion, twenty-one million, two hundred twenty thousand, three hundred three".