112021210221 has 4 divisors (see below), whose sum is σ = 149361613632. Its totient is φ = 74680806812.

The previous prime is 112021210219. The next prime is 112021210241. The reversal of 112021210221 is 122012120211.

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 112021210221 - 2¹ = 112021210219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112021210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021210241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18670201701 + ... + 18670201706.

It is an arithmetic number, because the mean of its divisors is an integer number (37340403408).

Almost surely, 2^112021210221 is an apocalyptic number.

It is an amenable number.

112021210221 is a deficient number, since it is larger than the sum of its proper divisors (37340403411).

112021210221 is an equidigital number, since it uses as much as digits as its factorization.

112021210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37340403410.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112021210221 its reverse (122012120211), we get a palindrome (234033330432).

The spelling of 112021210221 in words is "one hundred twelve billion, twenty-one million, two hundred ten thousand, two hundred twenty-one".