111144214 has 4 divisors (see below), whose sum is σ = 166716324. Its totient is φ = 55572106.

The previous prime is 111144203. The next prime is 111144227. The reversal of 111144214 is 412441111.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 111144191 and 111144200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27786052 + ... + 27786055.

It is an arithmetic number, because the mean of its divisors is an integer number (41679081).

Almost surely, 2^111144214 is an apocalyptic number.

111144214 is a deficient number, since it is larger than the sum of its proper divisors (55572110).

111144214 is an equidigital number, since it uses as much as digits as its factorization.

111144214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55572109.

The product of its digits is 128, while the sum is 19.

The square root of 111144214 is about 10542.4956248509. The cubic root of 111144214 is about 480.7975946559.

Adding to 111144214 its reverse (412441111), we get a palindrome (523585325).

The spelling of 111144214 in words is "one hundred eleven million, one hundred forty-four thousand, two hundred fourteen".