33110042421 has 8 divisors (see below), whose sum is σ = 44196836544. Its totient is φ = 22048304960.

The previous prime is 33110042417. The next prime is 33110042431. The reversal of 33110042421 is 12424001133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33110042421 - 2² = 33110042417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33110042431) 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 7 ways as a sum of consecutive naturals, for example, 6261081 + ... + 6266366.

It is an arithmetic number, because the mean of its divisors is an integer number (5524604568).

Almost surely, 2^33110042421 is an apocalyptic number.

It is an amenable number.

33110042421 is a deficient number, since it is larger than the sum of its proper divisors (11086794123).

33110042421 is a wasteful number, since it uses less digits than its factorization.

33110042421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12528331.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 33110042421 its reverse (12424001133), we get a palindrome (45534043554).

The spelling of 33110042421 in words is "thirty-three billion, one hundred ten million, forty-two thousand, four hundred twenty-one".