1002321110201 has 4 divisors (see below), whose sum is σ = 1008705321252. Its totient is φ = 995936899152.

The previous prime is 1002321110159. The next prime is 1002321110207. The reversal of 1002321110201 is 1020111232001.

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 480027265600 + 522293844601 = 692840^2 + 722699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002321110201 - 2¹⁸ = 1002320848057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002321110207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3192105290 + ... + 3192105603.

It is an arithmetic number, because the mean of its divisors is an integer number (252176330313).

Almost surely, 2^{1002321110201} is an apocalyptic number.

It is an amenable number.

1002321110201 is a deficient number, since it is larger than the sum of its proper divisors (6384211051).

1002321110201 is an equidigital number, since it uses as much as digits as its factorization.

1002321110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384211050.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1002321110201 its reverse (1020111232001), we get a palindrome (2022432342202).

The spelling of 1002321110201 in words is "one trillion, two billion, three hundred twenty-one million, one hundred ten thousand, two hundred one".