33013221113 has 2 divisors, whose sum is σ = 33013221114. Its totient is φ = 33013221112.

The previous prime is 33013221091. The next prime is 33013221119. The reversal of 33013221113 is 31112231033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28154155264 + 4859065849 = 167792^2 + 69707^2 .

It is a cyclic number.

It is not a de Polignac number, because 33013221113 - 2¹⁸ = 33012958969 is a prime.

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 (33013221119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16506610556 + 16506610557.

It is an arithmetic number, because the mean of its divisors is an integer number (16506610557).

Almost surely, 2^33013221113 is an apocalyptic number.

It is an amenable number.

33013221113 is a deficient number, since it is larger than the sum of its proper divisors (1).

33013221113 is an equidigital number, since it uses as much as digits as its factorization.

33013221113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 33013221113 its reverse (31112231033), we get a palindrome (64125452146).

The spelling of 33013221113 in words is "thirty-three billion, thirteen million, two hundred twenty-one thousand, one hundred thirteen".