111222011222222 has 8 divisors (see below), whose sum is σ = 176646723705936. Its totient is φ = 52339769986912.

The previous prime is 111222011222221. The next prime is 111222011222237. The reversal of 111222011222222 is 222222110222111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222011222221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1635617812058 + ... + 1635617812125.

It is an arithmetic number, because the mean of its divisors is an integer number (22080840463242).

Almost surely, 2^{111222011222222} is an apocalyptic number.

111222011222222 is a deficient number, since it is larger than the sum of its proper divisors (65424712483714).

111222011222222 is a wasteful number, since it uses less digits than its factorization.

111222011222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271235624202.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 111222011222222 its reverse (222222110222111), we get a palindrome (333444121444333).

The spelling of 111222011222222 in words is "one hundred eleven trillion, two hundred twenty-two billion, eleven million, two hundred twenty-two thousand, two hundred twenty-two".