112200100122222 has 240 divisors, whose sum is σ = 298091196461520. Its totient is φ = 31440177070848.

The previous prime is 112200100122191. The next prime is 112200100122247. The reversal of 112200100122222 is 222221001002211.

It is a happy number.

112200100122222 is a `hidden beast` number, since 1 + 1 + 220 + 0 + 100 + 122 + 222 = 666.

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 = 112200100122195 and 112200100122204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1118628378 + ... + 1118728674.

It is an arithmetic number, because the mean of its divisors is an integer number (1242046651923).

Almost surely, 2^{112200100122222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112200100122222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149045598230760).

112200100122222 is an abundant number, since it is smaller than the sum of its proper divisors (185891096339298).

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

112200100122222 is a wasteful number, since it uses less digits than its factorization.

112200100122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103037 (or 103021 counting only the distinct ones).

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

Adding to 112200100122222 its reverse (222221001002211), we get a palindrome (334421101124433).

The spelling of 112200100122222 in words is "one hundred twelve trillion, two hundred billion, one hundred million, one hundred twenty-two thousand, two hundred twenty-two".