112111143 has 4 divisors (see below), whose sum is σ = 149481528. Its totient is φ = 74740760.

The previous prime is 112111127. The next prime is 112111157. The reversal of 112111143 is 341111211.

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 112111143 - 2⁴ = 112111127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111123) 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, 18685188 + ... + 18685193.

It is an arithmetic number, because the mean of its divisors is an integer number (37370382).

Almost surely, 2^112111143 is an apocalyptic number.

112111143 is a deficient number, since it is larger than the sum of its proper divisors (37370385).

112111143 is an equidigital number, since it uses as much as digits as its factorization.

112111143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37370384.

The product of its digits is 24, while the sum is 15.

The square root of 112111143 is about 10588.2549553739. The cubic root of 112111143 is about 482.1878468134.

Adding to 112111143 its reverse (341111211), we get a palindrome (453222354).

The spelling of 112111143 in words is "one hundred twelve million, one hundred eleven thousand, one hundred forty-three".