201112131 has 32 divisors (see below), whose sum is σ = 316281600. Its totient is φ = 112337280.

The previous prime is 201112111. The next prime is 201112189. The reversal of 201112131 is 131211102.

It is not a de Polignac number, because 201112131 - 2⁵ = 201112099 is a prime.

It is a super-2 number, since 2×201112131² = 80892178470722322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201112111) 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 31 ways as a sum of consecutive naturals, for example, 18865 + ... + 27533.

It is an arithmetic number, because the mean of its divisors is an integer number (9883800).

Almost surely, 2^201112131 is an apocalyptic number.

201112131 is a deficient number, since it is larger than the sum of its proper divisors (115169469).

201112131 is a wasteful number, since it uses less digits than its factorization.

201112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739.

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

The square root of 201112131 is about 14181.4008828465. The cubic root of 201112131 is about 585.8855082344.

Adding to 201112131 its reverse (131211102), we get a palindrome (332323233).

The spelling of 201112131 in words is "two hundred one million, one hundred twelve thousand, one hundred thirty-one".