103113103121209 has 2 divisors, whose sum is σ = 103113103121210. Its totient is φ = 103113103121208.

The previous prime is 103113103121173. The next prime is 103113103121251. The reversal of 103113103121209 is 902121301311301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91408514208400 + 11704588912809 = 9560780^2 + 3421197^2 .

It is a cyclic number.

It is not a de Polignac number, because 103113103121209 - 2⁷ = 103113103121081 is a prime.

It is not a weakly prime, because it can be changed into another prime (103113103121299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51556551560604 + 51556551560605.

It is an arithmetic number, because the mean of its divisors is an integer number (51556551560605).

Almost surely, 2^{103113103121209} is an apocalyptic number.

It is an amenable number.

103113103121209 is a deficient number, since it is larger than the sum of its proper divisors (1).

103113103121209 is an equidigital number, since it uses as much as digits as its factorization.

103113103121209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 103113103121209 in words is "one hundred three trillion, one hundred thirteen billion, one hundred three million, one hundred twenty-one thousand, two hundred nine".