33120120321001 has 16 divisors (see below), whose sum is σ = 38128577802624. Its totient is φ = 28180923629184.

The previous prime is 33120120320983. The next prime is 33120120321017. The reversal of 33120120321001 is 10012302102133.

It is a cyclic number.

It is not a de Polignac number, because 33120120321001 - 2⁹ = 33120120320489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33120120321001.

It is not an unprimeable number, because it can be changed into a prime (33120120301001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 55182546 + ... + 55779508.

It is an arithmetic number, because the mean of its divisors is an integer number (2383036112664).

Almost surely, 2^{33120120321001} is an apocalyptic number.

It is an amenable number.

33120120321001 is a deficient number, since it is larger than the sum of its proper divisors (5008457481623).

33120120321001 is a wasteful number, since it uses less digits than its factorization.

33120120321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654960.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 33120120321001 its reverse (10012302102133), we get a palindrome (43132422423134).

The spelling of 33120120321001 in words is "thirty-three trillion, one hundred twenty billion, one hundred twenty million, three hundred twenty-one thousand, one".