112001210121222 has 48 divisors (see below), whose sum is σ = 249229195313280. Its totient is φ = 36324530631936.

The previous prime is 112001210121217. The next prime is 112001210121233. The reversal of 112001210121222 is 222121012100211.

112001210121222 is a `hidden beast` number, since 1 + 1 + 200 + 121 + 0 + 121 + 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 = 112001210121195 and 112001210121204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198527979 + ... + 199091337.

It is an arithmetic number, because the mean of its divisors is an integer number (5192274902360).

Almost surely, 2^{112001210121222} is an apocalyptic number.

112001210121222 is an abundant number, since it is smaller than the sum of its proper divisors (137227985192058).

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

112001210121222 is a wasteful number, since it uses less digits than its factorization.

112001210121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861917 (or 861914 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112001210121222 its reverse (222121012100211), we get a palindrome (334122222221433).

The spelling of 112001210121222 in words is "one hundred twelve trillion, one billion, two hundred ten million, one hundred twenty-one thousand, two hundred twenty-two".