33121110442 has 32 divisors (see below), whose sum is σ = 58331871360. Its totient is φ = 13808555520.

The previous prime is 33121110433. The next prime is 33121110467. The reversal of 33121110442 is 24401112133.

It is a super-2 number, since 2×33121110442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 116034 + ... + 282322.

It is an arithmetic number, because the mean of its divisors is an integer number (1822870980).

Almost surely, 2^33121110442 is an apocalyptic number.

33121110442 is a deficient number, since it is larger than the sum of its proper divisors (25210760918).

33121110442 is a wasteful number, since it uses less digits than its factorization.

33121110442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166686.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 33121110442 its reverse (24401112133), we get a palindrome (57522222575).

The spelling of 33121110442 in words is "thirty-three billion, one hundred twenty-one million, one hundred ten thousand, four hundred forty-two".