2112103009 has 2 divisors, whose sum is σ = 2112103010. Its totient is φ = 2112103008.

The previous prime is 2112102997. The next prime is 2112103013. The reversal of 2112103009 is 9003012112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2107085409 + 5017600 = 45903^2 + 2240^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112103009 - 2⁵ = 2112102977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112103039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056051504 + 1056051505.

It is an arithmetic number, because the mean of its divisors is an integer number (1056051505).

Almost surely, 2^2112103009 is an apocalyptic number.

It is an amenable number.

2112103009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112103009 is an equidigital number, since it uses as much as digits as its factorization.

2112103009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2112103009 is about 45957.6218814681. The cubic root of 2112103009 is about 1283.0345905547.

The spelling of 2112103009 in words is "two billion, one hundred twelve million, one hundred three thousand, nine".