111222122 has 8 divisors (see below), whose sum is σ = 181999872. Its totient is φ = 50555500.

The previous prime is 111222119. The next prime is 111222127. The reversal of 111222122 is 221222111.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111222097 and 111222106.

It is not an unprimeable number, because it can be changed into a prime (111222127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527754 + ... + 2527797.

It is an arithmetic number, because the mean of its divisors is an integer number (22749984).

Almost surely, 2^111222122 is an apocalyptic number.

111222122 is a deficient number, since it is larger than the sum of its proper divisors (70777750).

111222122 is a wasteful number, since it uses less digits than its factorization.

111222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055564.

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

The square root of 111222122 is about 10546.1899281210. The cubic root of 111222122 is about 480.9099088852.

Adding to 111222122 its reverse (221222111), we get a palindrome (332444233).

The spelling of 111222122 in words is "one hundred eleven million, two hundred twenty-two thousand, one hundred twenty-two".