100321223203 has 2 divisors, whose sum is σ = 100321223204. Its totient is φ = 100321223202.

The previous prime is 100321223161. The next prime is 100321223209. The reversal of 100321223203 is 302322123001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100321223203 - 2⁹ = 100321222691 is a prime.

It is a super-2 number, since 2×100321223203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100321223209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50160611601 + 50160611602.

It is an arithmetic number, because the mean of its divisors is an integer number (50160611602).

Almost surely, 2^100321223203 is an apocalyptic number.

100321223203 is a deficient number, since it is larger than the sum of its proper divisors (1).

100321223203 is an equidigital number, since it uses as much as digits as its factorization.

100321223203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 100321223203 its reverse (302322123001), we get a palindrome (402643346204).

It can be divided in two parts, 10032 and 1223203, that added together give a triangular number (1233235 = T₁₅₇₀).

The spelling of 100321223203 in words is "one hundred billion, three hundred twenty-one million, two hundred twenty-three thousand, two hundred three".