111222110868 has 48 divisors (see below), whose sum is σ = 292243445760. Its totient is φ = 32616453600.

The previous prime is 111222110863. The next prime is 111222110891. The reversal of 111222110868 is 868011222111.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222110863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13586098 + ... + 13594281.

It is an arithmetic number, because the mean of its divisors is an integer number (6088405120).

Almost surely, 2^111222110868 is an apocalyptic number.

It is an amenable number.

111222110868 is an abundant number, since it is smaller than the sum of its proper divisors (181021334892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111222110868 is a wasteful number, since it uses less digits than its factorization.

111222110868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27180428 (or 27180426 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 33.

Adding to 111222110868 its reverse (868011222111), we get a palindrome (979233332979).

The spelling of 111222110868 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred ten thousand, eight hundred sixty-eight".