111145322 has 4 divisors (see below), whose sum is σ = 166717986. Its totient is φ = 55572660.

The previous prime is 111145319. The next prime is 111145339. The reversal of 111145322 is 223541111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223541111 = 73 ⋅3062207.

It can be written as a sum of positive squares in only one way, i.e., 100380361 + 10764961 = 10019^2 + 3281^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111145294 and 111145303.

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, 27786329 + ... + 27786332.

Almost surely, 2^111145322 is an apocalyptic number.

111145322 is a deficient number, since it is larger than the sum of its proper divisors (55572664).

111145322 is an equidigital number, since it uses as much as digits as its factorization.

111145322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55572663.

The product of its digits is 240, while the sum is 20.

The square root of 111145322 is about 10542.5481739473. The cubic root of 111145322 is about 480.7991923458.

Adding to 111145322 its reverse (223541111), we get a palindrome (334686433).

The spelling of 111145322 in words is "one hundred eleven million, one hundred forty-five thousand, three hundred twenty-two".