111220111222 has 8 divisors (see below), whose sum is σ = 181996545672. Its totient is φ = 50554596000.

The previous prime is 111220111217. The next prime is 111220111231. The reversal of 111220111222 is 222111022111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111220111196 and 111220111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527729779 + ... + 2527729822.

It is an arithmetic number, because the mean of its divisors is an integer number (22749568209).

Almost surely, 2^111220111222 is an apocalyptic number.

111220111222 is a deficient number, since it is larger than the sum of its proper divisors (70776434450).

111220111222 is a wasteful number, since it uses less digits than its factorization.

111220111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055459614.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111220111222 its reverse (222111022111), we get a palindrome (333331133333).

The spelling of 111220111222 in words is "one hundred eleven billion, two hundred twenty million, one hundred eleven thousand, two hundred twenty-two".