33323221121 has 2 divisors, whose sum is σ = 33323221122. Its totient is φ = 33323221120.

The previous prime is 33323221097. The next prime is 33323221147. The reversal of 33323221121 is 12112232333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19919370496 + 13403850625 = 141136^2 + 115775^2 .

It is a cyclic number.

It is not a de Polignac number, because 33323221121 - 2¹⁰ = 33323220097 is a prime.

It is a super-2 number, since 2×33323221121² (a number of 22 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 (33323221171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16661610560 + 16661610561.

It is an arithmetic number, because the mean of its divisors is an integer number (16661610561).

Almost surely, 2^33323221121 is an apocalyptic number.

It is an amenable number.

33323221121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33323221121 is an equidigital number, since it uses as much as digits as its factorization.

33323221121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

Adding to 33323221121 its reverse (12112232333), we get a palindrome (45435453454).

The spelling of 33323221121 in words is "thirty-three billion, three hundred twenty-three million, two hundred twenty-one thousand, one hundred twenty-one".