2021201303 has 12 divisors (see below), whose sum is σ = 2246625360. Its totient is φ = 1816800480.

The previous prime is 2021201293. The next prime is 2021201327. The reversal of 2021201303 is 3031021202.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2021201303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021201393) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 83075 + ... + 104612.

It is an arithmetic number, because the mean of its divisors is an integer number (187218780).

Almost surely, 2^2021201303 is an apocalyptic number.

2021201303 is a deficient number, since it is larger than the sum of its proper divisors (225424057).

2021201303 is a wasteful number, since it uses less digits than its factorization.

2021201303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187798 (or 187787 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2021201303 is about 44957.7724425933. The cubic root of 2021201303 is about 1264.3574051989.

Adding to 2021201303 its reverse (3031021202), we get a palindrome (5052222505).

The spelling of 2021201303 in words is "two billion, twenty-one million, two hundred one thousand, three hundred three".