111440122 has 4 divisors (see below), whose sum is σ = 167160186. Its totient is φ = 55720060.

The previous prime is 111440113. The next prime is 111440123. The reversal of 111440122 is 221044111.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 109641841 + 1798281 = 10471^2 + 1341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111440096 and 111440105.

It is not an unprimeable number, because it can be changed into a prime (111440123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27860029 + ... + 27860032.

Almost surely, 2^111440122 is an apocalyptic number.

111440122 is a deficient number, since it is larger than the sum of its proper divisors (55720064).

111440122 is an equidigital number, since it uses as much as digits as its factorization.

111440122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55720063.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 111440122 is about 10556.5203547381. The cubic root of 111440122 is about 481.2239049886.

Adding to 111440122 its reverse (221044111), we get a palindrome (332484233).

The spelling of 111440122 in words is "one hundred eleven million, four hundred forty thousand, one hundred twenty-two".