33021442117 has 2 divisors, whose sum is σ = 33021442118. Its totient is φ = 33021442116.

The previous prime is 33021442099. The next prime is 33021442123. The reversal of 33021442117 is 71124412033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19078791876 + 13942650241 = 138126^2 + 118079^2 .

It is a cyclic number.

It is not a de Polignac number, because 33021442117 - 2¹¹ = 33021440069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33021442177) 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, 16510721058 + 16510721059.

It is an arithmetic number, because the mean of its divisors is an integer number (16510721059).

Almost surely, 2^33021442117 is an apocalyptic number.

It is an amenable number.

33021442117 is a deficient number, since it is larger than the sum of its proper divisors (1).

33021442117 is an equidigital number, since it uses as much as digits as its factorization.

33021442117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 33021442117 in words is "thirty-three billion, twenty-one million, four hundred forty-two thousand, one hundred seventeen".