2001112131 has 8 divisors (see below), whose sum is σ = 2680115200. Its totient is φ = 1328091912.

The previous prime is 2001112121. The next prime is 2001112147. The reversal of 2001112131 is 1312111002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2001112131 - 2¹⁰ = 2001111107 is a prime.

It is a super-2 number, since 2×2001112131² = 8008899521670722322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001112111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1494931 + ... + 1496268.

It is an arithmetic number, because the mean of its divisors is an integer number (335014400).

Almost surely, 2^2001112131 is an apocalyptic number.

2001112131 is a deficient number, since it is larger than the sum of its proper divisors (679003069).

2001112131 is a wasteful number, since it uses less digits than its factorization.

2001112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991425.

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

The square root of 2001112131 is about 44733.7918245257. The cubic root of 2001112131 is about 1260.1545394979.

Adding to 2001112131 its reverse (1312111002), we get a palindrome (3313223133).

The spelling of 2001112131 in words is "two billion, one million, one hundred twelve thousand, one hundred thirty-one".