112201122111121 has 4 divisors (see below), whose sum is σ = 112201154309812. Its totient is φ = 112201089912432.

The previous prime is 112201122111053. The next prime is 112201122111131. The reversal of 112201122111121 is 121111221102211.

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 86145185025 + 112114976926096 = 293505^2 + 10588436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112201122111121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112201122111131) 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 3 ways as a sum of consecutive naturals, for example, 10136106 + ... + 18087091.

It is an arithmetic number, because the mean of its divisors is an integer number (28050288577453).

Almost surely, 2^{112201122111121} is an apocalyptic number.

It is an amenable number.

112201122111121 is a deficient number, since it is larger than the sum of its proper divisors (32198691).

112201122111121 is an equidigital number, since it uses as much as digits as its factorization.

112201122111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32198690.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112201122111121 its reverse (121111221102211), we get a palindrome (233312343213332).

The spelling of 112201122111121 in words is "one hundred twelve trillion, two hundred one billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twenty-one".