112133211121 has 4 divisors (see below), whose sum is σ = 112205416932. Its totient is φ = 112061005312.

The previous prime is 112133211103. The next prime is 112133211209. The reversal of 112133211121 is 121112331211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121112331211 = 123989 ⋅976799.

It can be written as a sum of positive squares in 2 ways, for example, as 2969051121 + 109164160000 = 54489^2 + 330400^2 .

It is a cyclic number.

It is not a de Polignac number, because 112133211121 - 2²⁹ = 111596340209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112133214121) 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, 36100576 + ... + 36103681.

It is an arithmetic number, because the mean of its divisors is an integer number (28051354233).

Almost surely, 2^112133211121 is an apocalyptic number.

It is an amenable number.

112133211121 is a deficient number, since it is larger than the sum of its proper divisors (72205811).

112133211121 is an equidigital number, since it uses as much as digits as its factorization.

112133211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72205810.

The product of its digits is 72, while the sum is 19.

Adding to 112133211121 its reverse (121112331211), we get a palindrome (233245542332).

The spelling of 112133211121 in words is "one hundred twelve billion, one hundred thirty-three million, two hundred eleven thousand, one hundred twenty-one".