201106203 has 16 divisors (see below), whose sum is σ = 286886400. Its totient is φ = 124930080.

The previous prime is 201106201. The next prime is 201106219. The reversal of 201106203 is 302601102.

It is not a de Polignac number, because 201106203 - 2¹ = 201106201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201106201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25443 + ... + 32396.

It is an arithmetic number, because the mean of its divisors is an integer number (17930400).

Almost surely, 2^201106203 is an apocalyptic number.

201106203 is a deficient number, since it is larger than the sum of its proper divisors (85780197).

201106203 is a wasteful number, since it uses less digits than its factorization.

201106203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57922.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 201106203 is about 14181.1918751563. The cubic root of 201106203 is about 585.8797516392.

Adding to 201106203 its reverse (302601102), we get a palindrome (503707305).

The spelling of 201106203 in words is "two hundred one million, one hundred six thousand, two hundred three".