2021301011 has 4 divisors (see below), whose sum is σ = 2021967000. Its totient is φ = 2020635024.

The previous prime is 2021300999. The next prime is 2021301017. The reversal of 2021301011 is 1101031202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021301011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021300983 and 2021301001.

It is not an unprimeable number, because it can be changed into a prime (2021301017) 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 3 ways as a sum of consecutive naturals, for example, 328421 + ... + 334518.

It is an arithmetic number, because the mean of its divisors is an integer number (505491750).

Almost surely, 2^2021301011 is an apocalyptic number.

2021301011 is a deficient number, since it is larger than the sum of its proper divisors (665989).

2021301011 is an equidigital number, since it uses as much as digits as its factorization.

2021301011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665988.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2021301011 is about 44958.8813361721. The cubic root of 2021301011 is about 1264.3781955535.

Adding to 2021301011 its reverse (1101031202), we get a palindrome (3122332213).

The spelling of 2021301011 in words is "two billion, twenty-one million, three hundred one thousand, eleven".