33033020132221 has 4 divisors (see below), whose sum is σ = 34771600139200. Its totient is φ = 31294440125244.

The previous prime is 33033020132179. The next prime is 33033020132249. The reversal of 33033020132221 is 12223102033033.

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.

It is a cyclic number.

It is not a de Polignac number, because 33033020132221 - 2³¹ = 33030872648573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33033020132821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869290003461 + ... + 869290003498.

It is an arithmetic number, because the mean of its divisors is an integer number (8692900034800).

Almost surely, 2^{33033020132221} is an apocalyptic number.

It is an amenable number.

33033020132221 is a deficient number, since it is larger than the sum of its proper divisors (1738580006979).

33033020132221 is a wasteful number, since it uses less digits than its factorization.

33033020132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738580006978.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 33033020132221 its reverse (12223102033033), we get a palindrome (45256122165254).

The spelling of 33033020132221 in words is "thirty-three trillion, thirty-three billion, twenty million, one hundred thirty-two thousand, two hundred twenty-one".