111215343 has 8 divisors (see below), whose sum is σ = 157009968. Its totient is φ = 69782144.

The previous prime is 111215333. The next prime is 111215347. The reversal of 111215343 is 343512111.

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

It is not a de Polignac number, because 111215343 - 2⁵ = 111215311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111215347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090296 + ... + 1090397.

It is an arithmetic number, because the mean of its divisors is an integer number (19626246).

Almost surely, 2^111215343 is an apocalyptic number.

111215343 is a deficient number, since it is larger than the sum of its proper divisors (45794625).

111215343 is a wasteful number, since it uses less digits than its factorization.

111215343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180713.

The product of its digits is 360, while the sum is 21.

The square root of 111215343 is about 10545.8685275325. The cubic root of 111215343 is about 480.9001381835.

Adding to 111215343 its reverse (343512111), we get a palindrome (454727454).

The spelling of 111215343 in words is "one hundred eleven million, two hundred fifteen thousand, three hundred forty-three".