111343111 has 12 divisors (see below), whose sum is σ = 122763256. Its totient is φ = 100908720.

The previous prime is 111343091. The next prime is 111343129.

111343111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111343111 - 2¹⁹ = 110818823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111343171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43900 + ... + 46366.

Almost surely, 2^111343111 is an apocalyptic number.

111343111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111343111 is a deficient number, since it is larger than the sum of its proper divisors (11420145).

111343111 is a wasteful number, since it uses less digits than its factorization.

111343111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862 (or 2851 counting only the distinct ones).

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

The square root of 111343111 is about 10551.9245164093. The cubic root of 111343111 is about 481.0842258963.

The spelling of 111343111 in words is "one hundred eleven million, three hundred forty-three thousand, one hundred eleven".