20221211033 has 2 divisors, whose sum is σ = 20221211034. Its totient is φ = 20221211032.

The previous prime is 20221210993. The next prime is 20221211071. The reversal of 20221211033 is 33011212202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17315138569 + 2906072464 = 131587^2 + 53908^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221211033 - 2⁸ = 20221210777 is a prime.

It is a super-2 number, since 2×20221211033² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20221211083) 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, 10110605516 + 10110605517.

It is an arithmetic number, because the mean of its divisors is an integer number (10110605517).

Almost surely, 2^20221211033 is an apocalyptic number.

It is an amenable number.

20221211033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221211033 is an equidigital number, since it uses as much as digits as its factorization.

20221211033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20221211033 its reverse (33011212202), we get a palindrome (53232423235).

The spelling of 20221211033 in words is "twenty billion, two hundred twenty-one million, two hundred eleven thousand, thirty-three".