201112010009 has 2 divisors, whose sum is σ = 201112010010. Its totient is φ = 201112010008.

The previous prime is 201112009999. The next prime is 201112010041. The reversal of 201112010009 is 900010211102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179969395984 + 21142614025 = 424228^2 + 145405^2 .

It is a cyclic number.

It is not a de Polignac number, because 201112010009 - 2²⁰ = 201110961433 is a prime.

It is not a weakly prime, because it can be changed into another prime (201112010059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556005004 + 100556005005.

It is an arithmetic number, because the mean of its divisors is an integer number (100556005005).

Almost surely, 2^201112010009 is an apocalyptic number.

It is an amenable number.

201112010009 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112010009 is an equidigital number, since it uses as much as digits as its factorization.

201112010009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 201112010009 in words is "two hundred one billion, one hundred twelve million, ten thousand, nine".