1000321321201 has 2 divisors, whose sum is σ = 1000321321202. Its totient is φ = 1000321321200.

The previous prime is 1000321321189. The next prime is 1000321321247. The reversal of 1000321321201 is 1021231230001.

1000321321201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 796761538225 + 203559782976 = 892615^2 + 451176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000321321201 - 2³⁹ = 450565507313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000321321501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500160660600 + 500160660601.

It is an arithmetic number, because the mean of its divisors is an integer number (500160660601).

Almost surely, 2^{1000321321201} is an apocalyptic number.

It is an amenable number.

1000321321201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000321321201 is an equidigital number, since it uses as much as digits as its factorization.

1000321321201 is an evil number, because the sum of its binary digits is even.

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

Adding to 1000321321201 its reverse (1021231230001), we get a palindrome (2021552551202).

The spelling of 1000321321201 in words is "one trillion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred one".