201101112211209 has 12 divisors (see below), whose sum is σ = 311911929144144. Its totient is φ = 114914921263464.

The previous prime is 201101112211187. The next prime is 201101112211211. The reversal of 201101112211209 is 902112211101102.

201101112211209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201101112211209 - 2¹⁹ = 201101111686921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201101112211289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 684017388327 + ... + 684017388620.

It is an arithmetic number, because the mean of its divisors is an integer number (25992660762012).

Almost surely, 2^{201101112211209} is an apocalyptic number.

It is an amenable number.

201101112211209 is a deficient number, since it is larger than the sum of its proper divisors (110810816932935).

201101112211209 is a wasteful number, since it uses less digits than its factorization.

201101112211209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368034776964 (or 1368034776957 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 201101112211209 in words is "two hundred one trillion, one hundred one billion, one hundred twelve million, two hundred eleven thousand, two hundred nine".