111140222 has 4 divisors (see below), whose sum is σ = 166710336. Its totient is φ = 55570110.

The previous prime is 111140221. The next prime is 111140243. The reversal of 111140222 is 222041111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222041111 = 461 ⋅481651.

It is a junction number, because it is equal to n+sod(n) for n = 111140197 and 111140206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111140221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27785054 + ... + 27785057.

It is an arithmetic number, because the mean of its divisors is an integer number (41677584).

Almost surely, 2^111140222 is an apocalyptic number.

111140222 is a deficient number, since it is larger than the sum of its proper divisors (55570114).

111140222 is an equidigital number, since it uses as much as digits as its factorization.

111140222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55570113.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 111140222 is about 10542.3062941654. The cubic root of 111140222 is about 480.7918382700.

Adding to 111140222 its reverse (222041111), we get a palindrome (333181333).

The spelling of 111140222 in words is "one hundred eleven million, one hundred forty thousand, two hundred twenty-two".