112102222122 has 96 divisors (see below), whose sum is σ = 268371657216. Its totient is φ = 33536916000.

The previous prime is 112102222121. The next prime is 112102222129. The reversal of 112102222122 is 221222201211.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 112102222095 and 112102222104.

It is not an unprimeable number, because it can be changed into a prime (112102222121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4861873 + ... + 4884875.

It is an arithmetic number, because the mean of its divisors is an integer number (2795538096).

Almost surely, 2^112102222122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112102222122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134185828608).

112102222122 is an abundant number, since it is smaller than the sum of its proper divisors (156269435094).

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

112102222122 is a wasteful number, since it uses less digits than its factorization.

112102222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23336 (or 23333 counting only the distinct ones).

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

Adding to 112102222122 its reverse (221222201211), we get a palindrome (333324423333).

The spelling of 112102222122 in words is "one hundred twelve billion, one hundred two million, two hundred twenty-two thousand, one hundred twenty-two".