33120110233 has 12 divisors (see below), whose sum is σ = 38549703972. Its totient is φ = 28372286880.

The previous prime is 33120110197. The next prime is 33120110237. The reversal of 33120110233 is 33201102133.

It can be written as a sum of positive squares in 2 ways, for example, as 2054990224 + 31065120009 = 45332^2 + 176253^2 .

It is a de Polignac number, because none of the positive numbers 2^k-33120110233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33120110233.

It is not an unprimeable number, because it can be changed into a prime (33120110237) 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 in 11 ways as a sum of consecutive naturals, for example, 108810 + ... + 279427.

It is an arithmetic number, because the mean of its divisors is an integer number (3212475331).

Almost surely, 2^33120110233 is an apocalyptic number.

It is an amenable number.

33120110233 is a deficient number, since it is larger than the sum of its proper divisors (5429593739).

33120110233 is a wasteful number, since it uses less digits than its factorization.

33120110233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389992 (or 389985 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33120110233 its reverse (33201102133), we get a palindrome (66321212366).

The spelling of 33120110233 in words is "thirty-three billion, one hundred twenty million, one hundred ten thousand, two hundred thirty-three".