321200021110003 has 8 divisors (see below), whose sum is σ = 369726643005440. Its totient is φ = 273333625363080.

The previous prime is 321200021109997. The next prime is 321200021110039. The reversal of 321200021110003 is 300011120002123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321200021110003 is a prime.

It is a super-2 number, since 2×321200021110003² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321200021110043) 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 7 ways as a sum of consecutive naturals, for example, 165056536083 + ... + 165056538028.

It is an arithmetic number, because the mean of its divisors is an integer number (46215830375680).

Almost surely, 2^{321200021110003} is an apocalyptic number.

321200021110003 is a deficient number, since it is larger than the sum of its proper divisors (48526621895437).

321200021110003 is a wasteful number, since it uses less digits than its factorization.

321200021110003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330113074257.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 321200021110003 its reverse (300011120002123), we get a palindrome (621211141112126).

The spelling of 321200021110003 in words is "three hundred twenty-one trillion, two hundred billion, twenty-one million, one hundred ten thousand, three".