103221322321 has 4 divisors (see below), whose sum is σ = 111161424052. Its totient is φ = 95281220592.

The previous prime is 103221322297. The next prime is 103221322349. The reversal of 103221322321 is 123223122301.

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 56865079296 + 46356243025 = 238464^2 + 215305^2 .

It is a cyclic number.

It is not a de Polignac number, because 103221322321 - 2³¹ = 101073838673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103221322292 and 103221322301.

It is not an unprimeable number, because it can be changed into a prime (103221326321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970050846 + ... + 3970050871.

It is an arithmetic number, because the mean of its divisors is an integer number (27790356013).

Almost surely, 2^103221322321 is an apocalyptic number.

It is an amenable number.

103221322321 is a deficient number, since it is larger than the sum of its proper divisors (7940101731).

103221322321 is an equidigital number, since it uses as much as digits as its factorization.

103221322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7940101730.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 103221322321 its reverse (123223122301), we get a palindrome (226444444622).

The spelling of 103221322321 in words is "one hundred three billion, two hundred twenty-one million, three hundred twenty-two thousand, three hundred twenty-one".