33320121 has 8 divisors (see below), whose sum is σ = 44842464. Its totient is φ = 22005600.

The previous prime is 33320083. The next prime is 33320143. The reversal of 33320121 is 12102333.

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

It is not a de Polignac number, because 33320121 - 2¹¹ = 33318073 is a prime.

It is a super-2 number, since 2×33320121² = 2220460926909282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33320121.

It is not an unprimeable number, because it can be changed into a prime (33320171) 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, 51580 + ... + 52221.

It is an arithmetic number, because the mean of its divisors is an integer number (5605308).

Almost surely, 2^33320121 is an apocalyptic number.

It is an amenable number.

33320121 is a deficient number, since it is larger than the sum of its proper divisors (11522343).

33320121 is a wasteful number, since it uses less digits than its factorization.

33320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103911.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 33320121 is about 5772.3583568590. The cubic root of 33320121 is about 321.7872680240.

Adding to 33320121 its reverse (12102333), we get a palindrome (45422454).

The spelling of 33320121 in words is "thirty-three million, three hundred twenty thousand, one hundred twenty-one".