201113211 has 24 divisors (see below), whose sum is σ = 293693040. Its totient is φ = 122343936.

The previous prime is 201113203. The next prime is 201113221. The reversal of 201113211 is 112311102.

It is not a de Polignac number, because 201113211 - 2³ = 201113203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201113221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42895 + ... + 47351.

It is an arithmetic number, because the mean of its divisors is an integer number (12237210).

Almost surely, 2^201113211 is an apocalyptic number.

201113211 is a deficient number, since it is larger than the sum of its proper divisors (92579829).

201113211 is a wasteful number, since it uses less digits than its factorization.

201113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575 (or 4562 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 201113211 is about 14181.4389608389. The cubic root of 201113211 is about 585.8865569946.

Adding to 201113211 its reverse (112311102), we get a palindrome (313424313).

The spelling of 201113211 in words is "two hundred one million, one hundred thirteen thousand, two hundred eleven".