33001121242 has 128 divisors (see below), whose sum is σ = 58980960000. Its totient is φ = 13739507712.

The previous prime is 33001121227. The next prime is 33001121243. The reversal of 33001121242 is 24212110033.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (33001121243) 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, 80687134 + ... + 80687542.

It is an arithmetic number, because the mean of its divisors is an integer number (460788750).

Almost surely, 2^33001121242 is an apocalyptic number.

33001121242 is a deficient number, since it is larger than the sum of its proper divisors (25979838758).

33001121242 is a wasteful number, since it uses less digits than its factorization.

33001121242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 33001121242 its reverse (24212110033), we get a palindrome (57213231275).

The spelling of 33001121242 in words is "thirty-three billion, one million, one hundred twenty-one thousand, two hundred forty-two".