111200222056 has 64 divisors (see below), whose sum is σ = 259989840000. Its totient is φ = 43317884160.

The previous prime is 111200222051. The next prime is 111200222071. The reversal of 111200222056 is 650222002111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (111200222051) 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, 5749330 + ... + 5768638.

It is an arithmetic number, because the mean of its divisors is an integer number (4062341250).

Almost surely, 2^111200222056 is an apocalyptic number.

It is an amenable number.

111200222056 is an abundant number, since it is smaller than the sum of its proper divisors (148789617944).

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

111200222056 is a wasteful number, since it uses less digits than its factorization.

111200222056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28682 (or 28678 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 111200222056 its reverse (650222002111), we get a palindrome (761422224167).

The spelling of 111200222056 in words is "one hundred eleven billion, two hundred million, two hundred twenty-two thousand, fifty-six".