201210112211209 has 16 divisors (see below), whose sum is σ = 208236689049600. Its totient is φ = 194189432377024.

The previous prime is 201210112211167. The next prime is 201210112211243. The reversal of 201210112211209 is 902112211012102.

It is a cyclic number.

It is not a de Polignac number, because 201210112211209 - 2³⁵ = 201175752472841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201210112211909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176052179 + ... + 1176223255.

It is an arithmetic number, because the mean of its divisors is an integer number (13014793065600).

Almost surely, 2^{201210112211209} is an apocalyptic number.

201210112211209 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

201210112211209 is a deficient number, since it is larger than the sum of its proper divisors (7026576838391).

201210112211209 is a wasteful number, since it uses less digits than its factorization.

201210112211209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188072.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 201210112211209 in words is "two hundred one trillion, two hundred ten billion, one hundred twelve million, two hundred eleven thousand, two hundred nine".