111111214 has 8 divisors (see below), whose sum is σ = 169811640. Its totient is φ = 54507336.

The previous prime is 111111199. The next prime is 111111233. The reversal of 111111214 is 412111111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111111194 and 111111203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524004 + ... + 524215.

It is an arithmetic number, because the mean of its divisors is an integer number (21226455).

Almost surely, 2^111111214 is an apocalyptic number.

111111214 is a deficient number, since it is larger than the sum of its proper divisors (58700426).

111111214 is a wasteful number, since it uses less digits than its factorization.

111111214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048274.

The product of its digits is 8, while the sum is 13.

The square root of 111111214 is about 10540.9304143420. The cubic root of 111111214 is about 480.7500051605.

Adding to 111111214 its reverse (412111111), we get a palindrome (523222325).

The spelling of 111111214 in words is "one hundred eleven million, one hundred eleven thousand, two hundred fourteen".