2021301113 has 4 divisors (see below), whose sum is σ = 2176785828. Its totient is φ = 1865816400.

The previous prime is 2021301109. The next prime is 2021301127. The reversal of 2021301113 is 3111031202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 899520064 + 1121781049 = 29992^2 + 33493^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021301113 - 2² = 2021301109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021301133) 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 3 ways as a sum of consecutive naturals, for example, 77742338 + ... + 77742363.

It is an arithmetic number, because the mean of its divisors is an integer number (544196457).

Almost surely, 2^2021301113 is an apocalyptic number.

It is an amenable number.

2021301113 is a deficient number, since it is larger than the sum of its proper divisors (155484715).

2021301113 is a wasteful number, since it uses less digits than its factorization.

2021301113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155484714.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2021301113 is about 44958.8824705419. The cubic root of 2021301113 is about 1264.3782168214.

Adding to 2021301113 its reverse (3111031202), we get a palindrome (5132332315).

The spelling of 2021301113 in words is "two billion, twenty-one million, three hundred one thousand, one hundred thirteen".