33021443011 has 2 divisors, whose sum is σ = 33021443012. Its totient is φ = 33021443010.

The previous prime is 33021442997. The next prime is 33021443041. The reversal of 33021443011 is 11034412033.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33021443011 is a prime.

It is a super-2 number, since 2×33021443011² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33021443041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16510721505 + 16510721506.

It is an arithmetic number, because the mean of its divisors is an integer number (16510721506).

Almost surely, 2^33021443011 is an apocalyptic number.

33021443011 is a deficient number, since it is larger than the sum of its proper divisors (1).

33021443011 is an equidigital number, since it uses as much as digits as its factorization.

33021443011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 33021443011 its reverse (11034412033), we get a palindrome (44055855044).

The spelling of 33021443011 in words is "thirty-three billion, twenty-one million, four hundred forty-three thousand, eleven".