33210242121 has 8 divisors (see below), whose sum is σ = 50606083264. Its totient is φ = 18977281200.

The previous prime is 33210242071. The next prime is 33210242129. The reversal of 33210242121 is 12124201233.

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

It is not a de Polignac number, because 33210242121 - 2⁷ = 33210241993 is a prime.

It is a super-2 number, since 2×33210242121² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1581440101 = 33210242121 / (3 + 3 + 2 + 1 + 0 + 2 + 4 + 2 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33210242129) 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, 790720030 + ... + 790720071.

It is an arithmetic number, because the mean of its divisors is an integer number (6325760408).

Almost surely, 2^33210242121 is an apocalyptic number.

It is an amenable number.

33210242121 is a deficient number, since it is larger than the sum of its proper divisors (17395841143).

33210242121 is a wasteful number, since it uses less digits than its factorization.

33210242121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581440111.

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

Adding to 33210242121 its reverse (12124201233), we get a palindrome (45334443354).

The spelling of 33210242121 in words is "thirty-three billion, two hundred ten million, two hundred forty-two thousand, one hundred twenty-one".