2021330113441 has 2 divisors, whose sum is σ = 2021330113442. Its totient is φ = 2021330113440.

The previous prime is 2021330113423. The next prime is 2021330113447. The reversal of 2021330113441 is 1443110331202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1316618553600 + 704711559841 = 1147440^2 + 839471^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021330113441 - 2⁹ = 2021330112929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021330113447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010665056720 + 1010665056721.

It is an arithmetic number, because the mean of its divisors is an integer number (1010665056721).

Almost surely, 2^{2021330113441} is an apocalyptic number.

It is an amenable number.

2021330113441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021330113441 is an equidigital number, since it uses as much as digits as its factorization.

2021330113441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 2021330113441 its reverse (1443110331202), we get a palindrome (3464440444643).

The spelling of 2021330113441 in words is "two trillion, twenty-one billion, three hundred thirty million, one hundred thirteen thousand, four hundred forty-one".