112012101210221 has 16 divisors (see below), whose sum is σ = 119189736842688. Its totient is φ = 104900098464000.

The previous prime is 112012101210193. The next prime is 112012101210239. The reversal of 112012101210221 is 122012101210211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112012101210221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 112012101210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012101410221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12597671 + ... + 19563371.

It is an arithmetic number, because the mean of its divisors is an integer number (7449358552668).

Almost surely, 2^{112012101210221} is an apocalyptic number.

It is an amenable number.

112012101210221 is a deficient number, since it is larger than the sum of its proper divisors (7177635632467).

112012101210221 is a wasteful number, since it uses less digits than its factorization.

112012101210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970412.

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

Adding to 112012101210221 its reverse (122012101210211), we get a palindrome (234024202420432).

The spelling of 112012101210221 in words is "one hundred twelve trillion, twelve billion, one hundred one million, two hundred ten thousand, two hundred twenty-one".