33112442121 has 64 divisors (see below), whose sum is σ = 52843518720. Its totient is φ = 18205859840.

The previous prime is 33112442113. The next prime is 33112442141. The reversal of 33112442121 is 12124421133.

It is a cyclic number.

It is not a de Polignac number, because 33112442121 - 2³ = 33112442113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33112442091 and 33112442100.

It is not an unprimeable number, because it can be changed into a prime (33112442101) 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 63 ways as a sum of consecutive naturals, for example, 12574621 + ... + 12577253.

It is an arithmetic number, because the mean of its divisors is an integer number (825679980).

Almost surely, 2^33112442121 is an apocalyptic number.

It is an amenable number.

33112442121 is a deficient number, since it is larger than the sum of its proper divisors (19731076599).

33112442121 is a wasteful number, since it uses less digits than its factorization.

33112442121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466.

The product of its digits is 1152, while the sum is 24.

Adding to 33112442121 its reverse (12124421133), we get a palindrome (45236863254).

The spelling of 33112442121 in words is "thirty-three billion, one hundred twelve million, four hundred forty-two thousand, one hundred twenty-one".