112210221181 has 2 divisors, whose sum is σ = 112210221182. Its totient is φ = 112210221180.

The previous prime is 112210221163. The next prime is 112210221241. The reversal of 112210221181 is 181122012211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107119398681 + 5090822500 = 327291^2 + 71350^2 .

It is a cyclic number.

It is not a de Polignac number, because 112210221181 - 2¹⁵ = 112210188413 is a prime.

It is a super-2 number, since 2×112210221181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112210221881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105110590 + 56105110591.

It is an arithmetic number, because the mean of its divisors is an integer number (56105110591).

Almost surely, 2^112210221181 is an apocalyptic number.

It is an amenable number.

112210221181 is a deficient number, since it is larger than the sum of its proper divisors (1).

112210221181 is an equidigital number, since it uses as much as digits as its factorization.

112210221181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 22.

Adding to 112210221181 its reverse (181122012211), we get a palindrome (293332233392).

The spelling of 112210221181 in words is "one hundred twelve billion, two hundred ten million, two hundred twenty-one thousand, one hundred eighty-one".