2021330011 has 2 divisors, whose sum is σ = 2021330012. Its totient is φ = 2021330010.

The previous prime is 2021330009. The next prime is 2021330023. The reversal of 2021330011 is 1100331202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021330011 - 2¹ = 2021330009 is a prime.

Together with 2021330009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2021329973 and 2021330000.

It is not a weakly prime, because it can be changed into another prime (2021330411) 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 as a sum of consecutive naturals, namely, 1010665005 + 1010665006.

It is an arithmetic number, because the mean of its divisors is an integer number (1010665006).

Almost surely, 2^2021330011 is an apocalyptic number.

2021330011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021330011 is an equidigital number, since it uses as much as digits as its factorization.

2021330011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2021330011 is about 44959.2038519367. The cubic root of 2021330011 is about 1264.3842422848.

Adding to 2021330011 its reverse (1100331202), we get a palindrome (3121661213).

The spelling of 2021330011 in words is "two billion, twenty-one million, three hundred thirty thousand, eleven".