100001003023321 has 2 divisors, whose sum is σ = 100001003023322. Its totient is φ = 100001003023320.

The previous prime is 100001003023237. The next prime is 100001003023409. The reversal of 100001003023321 is 123320300100001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82885729305600 + 17115273717721 = 9104160^2 + 4137061^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001003023321 - 2²⁵ = 100000969468889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100001003023295 and 100001003023304.

It is not a weakly prime, because it can be changed into another prime (100001003323321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000501511660 + 50000501511661.

It is an arithmetic number, because the mean of its divisors is an integer number (50000501511661).

Almost surely, 2^{100001003023321} is an apocalyptic number.

It is an amenable number.

100001003023321 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001003023321 is an equidigital number, since it uses as much as digits as its factorization.

100001003023321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100001003023321 its reverse (123320300100001), we get a palindrome (223321303123322).

The spelling of 100001003023321 in words is "one hundred trillion, one billion, three million, twenty-three thousand, three hundred twenty-one".