112012201210121 has 16 divisors (see below), whose sum is σ = 118693154016000. Its totient is φ = 105410488630608.

The previous prime is 112012201210079. The next prime is 112012201210177. The reversal of 112012201210121 is 121012102210211.

It is a cyclic number.

It is not a de Polignac number, because 112012201210121 - 2³⁰ = 112011127468297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112012201210121.

It is not an unprimeable number, because it can be changed into a prime (112012201210181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3576971 + ... + 15388928.

It is an arithmetic number, because the mean of its divisors is an integer number (7418322126000).

Almost surely, 2^{112012201210121} is an apocalyptic number.

It is an amenable number.

112012201210121 is a deficient number, since it is larger than the sum of its proper divisors (6680952805879).

112012201210121 is a wasteful number, since it uses less digits than its factorization.

112012201210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18967988.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112012201210121 its reverse (121012102210211), we get a palindrome (233024303420332).

The spelling of 112012201210121 in words is "one hundred twelve trillion, twelve billion, two hundred one million, two hundred ten thousand, one hundred twenty-one".