112131011 has 4 divisors (see below), whose sum is σ = 113391000. Its totient is φ = 110871024.

The previous prime is 112131001. The next prime is 112131013. The reversal of 112131011 is 110131211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110131211 = 2617 ⋅42083.

It is a cyclic number.

It is not a de Polignac number, because 112131011 - 2⁶ = 112130947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112130983 and 112131001.

It is not an unprimeable number, because it can be changed into a prime (112131013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629861 + ... + 630038.

It is an arithmetic number, because the mean of its divisors is an integer number (28347750).

Almost surely, 2^112131011 is an apocalyptic number.

112131011 is a deficient number, since it is larger than the sum of its proper divisors (1259989).

112131011 is an equidigital number, since it uses as much as digits as its factorization.

112131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259988.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 112131011 is about 10589.1931231799. The cubic root of 112131011 is about 482.2163290915.

Adding to 112131011 its reverse (110131211), we get a palindrome (222262222).

The spelling of 112131011 in words is "one hundred twelve million, one hundred thirty-one thousand, eleven".