33120422430221 has 8 divisors (see below), whose sum is σ = 37851982927680. Its totient is φ = 28388879827488.

The previous prime is 33120422430187. The next prime is 33120422430283. The reversal of 33120422430221 is 12203422402133.

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

It is a cyclic number.

It is not a de Polignac number, because 33120422430221 - 2³⁸ = 32845544523277 is a prime.

It is a super-2 number, since 2×33120422430221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33120422436221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240536 + ... + 8142401.

It is an arithmetic number, because the mean of its divisors is an integer number (4731497865960).

Almost surely, 2^{33120422430221} is an apocalyptic number.

It is an amenable number.

33120422430221 is a deficient number, since it is larger than the sum of its proper divisors (4731560497459).

33120422430221 is an equidigital number, since it uses as much as digits as its factorization.

33120422430221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8947363.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 33120422430221 its reverse (12203422402133), we get a palindrome (45323844832354).

The spelling of 33120422430221 in words is "thirty-three trillion, one hundred twenty billion, four hundred twenty-two million, four hundred thirty thousand, two hundred twenty-one".