2111132131 has 4 divisors (see below), whose sum is σ = 2235316392. Its totient is φ = 1986947872.

The previous prime is 2111132129. The next prime is 2111132137. The reversal of 2111132131 is 1312311112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2111132131 - 2¹ = 2111132129 is a prime.

It is a super-2 number, since 2×2111132131² = 8913757749081202322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111132137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62092105 + ... + 62092138.

It is an arithmetic number, because the mean of its divisors is an integer number (558829098).

Almost surely, 2^2111132131 is an apocalyptic number.

2111132131 is a deficient number, since it is larger than the sum of its proper divisors (124184261).

2111132131 is a wasteful number, since it uses less digits than its factorization.

2111132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124184260.

The product of its digits is 36, while the sum is 16.

The square root of 2111132131 is about 45947.0579145172. The cubic root of 2111132131 is about 1282.8379680465.

Adding to 2111132131 its reverse (1312311112), we get a palindrome (3423443243).

The spelling of 2111132131 in words is "two billion, one hundred eleven million, one hundred thirty-two thousand, one hundred thirty-one".