112022220221021 has 6 divisors (see below), whose sum is σ = 123131861895966. Its totient is φ = 101838382019000.

The previous prime is 112022220220991. The next prime is 112022220221063. The reversal of 112022220221021 is 120122022220211.

It can be written as a sum of positive squares in only one way, i.e., 110782761064921 + 1239459156100 = 10525339^2 + 1113310^2 .

It is a de Polignac number, because none of the positive numbers 2^k-112022220221021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112022220220984 and 112022220221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112022220221221) 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 5 ways as a sum of consecutive naturals, for example, 462901736330 + ... + 462901736571.

It is an arithmetic number, because the mean of its divisors is an integer number (20521976982661).

Almost surely, 2^{112022220221021} is an apocalyptic number.

112022220221021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112022220221021 is a deficient number, since it is larger than the sum of its proper divisors (11109641674945).

112022220221021 is an equidigital number, since it uses as much as digits as its factorization.

112022220221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925803472923 (or 925803472912 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 112022220221021 its reverse (120122022220211), we get a palindrome (232144242441232).

The spelling of 112022220221021 in words is "one hundred twelve trillion, twenty-two billion, two hundred twenty million, two hundred twenty-one thousand, twenty-one".