112121200122222 has 16 divisors (see below), whose sum is σ = 230303005656912. Its totient is φ = 36363632472000.

The previous prime is 112121200122221. The next prime is 112121200122227. The reversal of 112121200122222 is 222221002121211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121200122221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252525225279 + ... + 252525225722.

It is an arithmetic number, because the mean of its divisors is an integer number (14393937853557).

Almost surely, 2^{112121200122222} is an apocalyptic number.

112121200122222 is an abundant number, since it is smaller than the sum of its proper divisors (118181805534690).

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

112121200122222 is a wasteful number, since it uses less digits than its factorization.

112121200122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505050451043.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112121200122222 its reverse (222221002121211), we get a palindrome (334342202243433).

The spelling of 112121200122222 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-two".