100023320210321 has 4 divisors (see below), whose sum is σ = 100023401035572. Its totient is φ = 100023239385072.

The previous prime is 100023320210311. The next prime is 100023320210431. The reversal of 100023320210321 is 123012023320001.

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 9841327393921 + 90181992816400 = 3137089^2 + 9496420^2 .

It is a cyclic number.

It is not a de Polignac number, because 100023320210321 - 2⁶ = 100023320210257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100023320210293 and 100023320210302.

It is not an unprimeable number, because it can be changed into a prime (100023320210311) 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, 38527010 + ... + 41041163.

It is an arithmetic number, because the mean of its divisors is an integer number (25005850258893).

Almost surely, 2^{100023320210321} is an apocalyptic number.

It is an amenable number.

100023320210321 is a deficient number, since it is larger than the sum of its proper divisors (80825251).

100023320210321 is an equidigital number, since it uses as much as digits as its factorization.

100023320210321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80825250.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 100023320210321 its reverse (123012023320001), we get a palindrome (223035343530322).

The spelling of 100023320210321 in words is "one hundred trillion, twenty-three billion, three hundred twenty million, two hundred ten thousand, three hundred twenty-one".