112133220221 has 4 divisors (see below), whose sum is σ = 122327149344. Its totient is φ = 101939291100.

The previous prime is 112133220211. The next prime is 112133220233. The reversal of 112133220221 is 122022331211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112133220221 - 2¹⁴ = 112133203837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112133220193 and 112133220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112133220211) 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, 5096964545 + ... + 5096964566.

It is an arithmetic number, because the mean of its divisors is an integer number (30581787336).

Almost surely, 2^112133220221 is an apocalyptic number.

112133220221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112133220221 is a deficient number, since it is larger than the sum of its proper divisors (10193929123).

112133220221 is a wasteful number, since it uses less digits than its factorization.

112133220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10193929122.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 112133220221 its reverse (122022331211), we get a palindrome (234155551432).

The spelling of 112133220221 in words is "one hundred twelve billion, one hundred thirty-three million, two hundred twenty thousand, two hundred twenty-one".