103421324221 has 2 divisors, whose sum is σ = 103421324222. Its totient is φ = 103421324220.

The previous prime is 103421324189. The next prime is 103421324231. The reversal of 103421324221 is 122423124301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62305651321 + 41115672900 = 249611^2 + 202770^2 .

It is a cyclic number.

It is not a de Polignac number, because 103421324221 - 2⁵ = 103421324189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103421324231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51710662110 + 51710662111.

It is an arithmetic number, because the mean of its divisors is an integer number (51710662111).

Almost surely, 2^103421324221 is an apocalyptic number.

It is an amenable number.

103421324221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103421324221 is an equidigital number, since it uses as much as digits as its factorization.

103421324221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 103421324221 its reverse (122423124301), we get a palindrome (225844448522).

The spelling of 103421324221 in words is "one hundred three billion, four hundred twenty-one million, three hundred twenty-four thousand, two hundred twenty-one".