112222221102 has 24 divisors (see below), whose sum is σ = 243467686800. Its totient is φ = 37358246880.

The previous prime is 112222221101. The next prime is 112222221109. The reversal of 112222221102 is 201122222211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4082602 + ... + 4109997.

It is an arithmetic number, because the mean of its divisors is an integer number (10144486950).

Almost surely, 2^112222221102 is an apocalyptic number.

112222221102 is an abundant number, since it is smaller than the sum of its proper divisors (131245465698).

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

112222221102 is a wasteful number, since it uses less digits than its factorization.

112222221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193368 (or 8193365 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112222221102 its reverse (201122222211), we get a palindrome (313344443313).

The spelling of 112222221102 in words is "one hundred twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred two".