103103220321209 has 2 divisors, whose sum is σ = 103103220321210. Its totient is φ = 103103220321208.

The previous prime is 103103220321181. The next prime is 103103220321247. The reversal of 103103220321209 is 902123022301301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98417748807184 + 4685471514025 = 9920572^2 + 2164595^2 .

It is a cyclic number.

It is not a de Polignac number, because 103103220321209 - 2⁴⁰ = 102003708693433 is a prime.

It is not a weakly prime, because it can be changed into another prime (103103220321809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51551610160604 + 51551610160605.

It is an arithmetic number, because the mean of its divisors is an integer number (51551610160605).

Almost surely, 2^{103103220321209} is an apocalyptic number.

It is an amenable number.

103103220321209 is a deficient number, since it is larger than the sum of its proper divisors (1).

103103220321209 is an equidigital number, since it uses as much as digits as its factorization.

103103220321209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 103103220321209 in words is "one hundred three trillion, one hundred three billion, two hundred twenty million, three hundred twenty-one thousand, two hundred nine".