33210021242 has 8 divisors (see below), whose sum is σ = 49817751732. Its totient is φ = 16604104000.

The previous prime is 33210021233. The next prime is 33210021269. The reversal of 33210021242 is 24212001233.

It can be written as a sum of positive squares in 2 ways, for example, as 28375739401 + 4834281841 = 168451^2 + 69529^2 .

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

It is a super-2 number, since 2×33210021242² (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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406559 + ... + 481362.

Almost surely, 2^33210021242 is an apocalyptic number.

33210021242 is a deficient number, since it is larger than the sum of its proper divisors (16607730490).

33210021242 is a wasteful number, since it uses less digits than its factorization.

33210021242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906624.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 33210021242 its reverse (24212001233), we get a palindrome (57422022475).

The spelling of 33210021242 in words is "thirty-three billion, two hundred ten million, twenty-one thousand, two hundred forty-two".