103321211209 has 2 divisors, whose sum is σ = 103321211210. Its totient is φ = 103321211208.

The previous prime is 103321211173. The next prime is 103321211233. The reversal of 103321211209 is 902112123301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99179645184 + 4141566025 = 314928^2 + 64355^2 .

It is a cyclic number.

It is not a de Polignac number, because 103321211209 - 2⁹ = 103321210697 is a prime.

It is not a weakly prime, because it can be changed into another prime (103321211239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51660605604 + 51660605605.

It is an arithmetic number, because the mean of its divisors is an integer number (51660605605).

Almost surely, 2^103321211209 is an apocalyptic number.

It is an amenable number.

103321211209 is a deficient number, since it is larger than the sum of its proper divisors (1).

103321211209 is an equidigital number, since it uses as much as digits as its factorization.

103321211209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 103321211209 in words is "one hundred three billion, three hundred twenty-one million, two hundred eleven thousand, two hundred nine".