100220230321 has 2 divisors, whose sum is σ = 100220230322. Its totient is φ = 100220230320.

The previous prime is 100220230307. The next prime is 100220230349. The reversal of 100220230321 is 123032022001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100210866721 + 9363600 = 316561^2 + 3060^2 .

It is a cyclic number.

It is not a de Polignac number, because 100220230321 - 2¹³ = 100220222129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100220230295 and 100220230304.

It is not a weakly prime, because it can be changed into another prime (100220200321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110115160 + 50110115161.

It is an arithmetic number, because the mean of its divisors is an integer number (50110115161).

Almost surely, 2^100220230321 is an apocalyptic number.

It is an amenable number.

100220230321 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220230321 is an equidigital number, since it uses as much as digits as its factorization.

100220230321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100220230321 its reverse (123032022001), we get a palindrome (223252252322).

The spelling of 100220230321 in words is "one hundred billion, two hundred twenty million, two hundred thirty thousand, three hundred twenty-one".