10001231201321 has 8 divisors (see below), whose sum is σ = 10025149728000. Its totient is φ = 9977317842240.

The previous prime is 10001231201309. The next prime is 10001231201327. The reversal of 10001231201321 is 12310213210001.

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 10001231201321 - 2¹⁸ = 10001230939177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10001231201321.

It is not an unprimeable number, because it can be changed into a prime (10001231201327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2597456 + ... + 5171966.

It is an arithmetic number, because the mean of its divisors is an integer number (1253143716000).

Almost surely, 2^{10001231201321} is an apocalyptic number.

It is an amenable number.

10001231201321 is a deficient number, since it is larger than the sum of its proper divisors (23918526679).

10001231201321 is an equidigital number, since it uses as much as digits as its factorization.

10001231201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583799.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10001231201321 its reverse (12310213210001), we get a palindrome (22311444411322).

The spelling of 10001231201321 in words is "ten trillion, one billion, two hundred thirty-one million, two hundred one thousand, three hundred twenty-one".