33121330201 has 4 divisors (see below), whose sum is σ = 33135942672. Its totient is φ = 33106717732.

The previous prime is 33121330181. The next prime is 33121330213. The reversal of 33121330201 is 10203312133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10203312133 = 7 ⋅1457616019.

It is a cyclic number.

It is not a de Polignac number, because 33121330201 - 2¹³ = 33121322009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33121336201) 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 3 ways as a sum of consecutive naturals, for example, 7302835 + ... + 7307368.

It is an arithmetic number, because the mean of its divisors is an integer number (8283985668).

Almost surely, 2^33121330201 is an apocalyptic number.

It is an amenable number.

33121330201 is a deficient number, since it is larger than the sum of its proper divisors (14612471).

33121330201 is a wasteful number, since it uses less digits than its factorization.

33121330201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14612470.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33121330201 its reverse (10203312133), we get a palindrome (43324642334).

The spelling of 33121330201 in words is "thirty-three billion, one hundred twenty-one million, three hundred thirty thousand, two hundred one".