33330320121 has 8 divisors (see below), whose sum is σ = 50789059264. Its totient is φ = 19045897200.

The previous prime is 33330320053. The next prime is 33330320129. The reversal of 33330320121 is 12102303333.

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

It is not a de Polignac number, because 33330320121 - 2⁷ = 33330319993 is a prime.

It is a super-2 number, since 2×33330320121² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1587158101 = 33330320121 / (3 + 3 + 3 + 3 + 0 + 3 + 2 + 0 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33330320129) 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, 793579030 + ... + 793579071.

It is an arithmetic number, because the mean of its divisors is an integer number (6348632408).

Almost surely, 2^33330320121 is an apocalyptic number.

It is an amenable number.

33330320121 is a deficient number, since it is larger than the sum of its proper divisors (17458739143).

33330320121 is a wasteful number, since it uses less digits than its factorization.

33330320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587158111.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33330320121 its reverse (12102303333), we get a palindrome (45432623454).

The spelling of 33330320121 in words is "thirty-three billion, three hundred thirty million, three hundred twenty thousand, one hundred twenty-one".