333221330320121 has 4 divisors (see below), whose sum is σ = 352822585044852. Its totient is φ = 313620075595392.

The previous prime is 333221330320063. The next prime is 333221330320139. The reversal of 333221330320121 is 121023033122333.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 298881859240000 + 34339471080121 = 17288200^2 + 5859989^2 .

It is a cyclic number.

It is not a de Polignac number, because 333221330320121 - 2³⁴ = 333204150450937 is a prime.

It is a super-2 number, since 2×333221330320121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (333221330320181) 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 3 ways as a sum of consecutive naturals, for example, 9800627362340 + ... + 9800627362373.

It is an arithmetic number, because the mean of its divisors is an integer number (88205646261213).

Almost surely, 2^{333221330320121} is an apocalyptic number.

It is an amenable number.

333221330320121 is a deficient number, since it is larger than the sum of its proper divisors (19601254724731).

333221330320121 is a wasteful number, since it uses less digits than its factorization.

333221330320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19601254724730.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 333221330320121 its reverse (121023033122333), we get a palindrome (454244363442454).

The spelling of 333221330320121 in words is "three hundred thirty-three trillion, two hundred twenty-one billion, three hundred thirty million, three hundred twenty thousand, one hundred twenty-one".