33404242111 has 2 divisors, whose sum is σ = 33404242112. Its totient is φ = 33404242110.

The previous prime is 33404242063. The next prime is 33404242129. The reversal of 33404242111 is 11124240433.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33404242111 - 2⁹ = 33404241599 is a prime.

It is a super-2 number, since 2×33404242111² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33404243111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16702121055 + 16702121056.

It is an arithmetic number, because the mean of its divisors is an integer number (16702121056).

Almost surely, 2^33404242111 is an apocalyptic number.

33404242111 is a deficient number, since it is larger than the sum of its proper divisors (1).

33404242111 is an equidigital number, since it uses as much as digits as its factorization.

33404242111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 33404242111 its reverse (11124240433), we get a palindrome (44528482544).

The spelling of 33404242111 in words is "thirty-three billion, four hundred four million, two hundred forty-two thousand, one hundred eleven".