2021244041 has 2 divisors, whose sum is σ = 2021244042. Its totient is φ = 2021244040.

The previous prime is 2021244013. The next prime is 2021244061. The reversal of 2021244041 is 1404421202.

It is an a-pointer prime, because the next prime (2021244061) can be obtained adding 2021244041 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2015650816 + 5593225 = 44896^2 + 2365^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021244041 - 2¹⁰ = 2021243017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021244061) 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, 1010622020 + 1010622021.

It is an arithmetic number, because the mean of its divisors is an integer number (1010622021).

Almost surely, 2^2021244041 is an apocalyptic number.

It is an amenable number.

2021244041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021244041 is an equidigital number, since it uses as much as digits as its factorization.

2021244041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2021244041 is about 44958.2477527761. The cubic root of 2021244041 is about 1264.3663166857.

Adding to 2021244041 its reverse (1404421202), we get a palindrome (3425665243).

The spelling of 2021244041 in words is "two billion, twenty-one million, two hundred forty-four thousand, forty-one".