112011200100221 has 4 divisors (see below), whose sum is σ = 112011695117244. Its totient is φ = 112010705083200.

The previous prime is 112011200100203. The next prime is 112011200100281. The reversal of 112011200100221 is 122001002110211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62546507563225 + 49464692536996 = 7908635^2 + 7033114^2 .

It is a cyclic number.

It is not a de Polignac number, because 112011200100221 - 2²⁶ = 112011132991357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112011200100196 and 112011200100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112011200100281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247168940 + ... + 247621701.

It is an arithmetic number, because the mean of its divisors is an integer number (28002923779311).

Almost surely, 2^{112011200100221} is an apocalyptic number.

It is an amenable number.

112011200100221 is a deficient number, since it is larger than the sum of its proper divisors (495017023).

112011200100221 is an equidigital number, since it uses as much as digits as its factorization.

112011200100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495017022.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112011200100221 its reverse (122001002110211), we get a palindrome (234012202210432).

The spelling of 112011200100221 in words is "one hundred twelve trillion, eleven billion, two hundred million, one hundred thousand, two hundred twenty-one".