112211081 has 2 divisors, whose sum is σ = 112211082. Its totient is φ = 112211080.

The previous prime is 112211069. The next prime is 112211117. The reversal of 112211081 is 180112211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103713856 + 8497225 = 10184^2 + 2915^2 .

It is an emirp because it is prime and its reverse (180112211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112211081 - 2¹⁰ = 112210057 is a prime.

It is a super-3 number, since 3×112211081³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (112211681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105540 + 56105541.

It is an arithmetic number, because the mean of its divisors is an integer number (56105541).

Almost surely, 2^112211081 is an apocalyptic number.

It is an amenable number.

112211081 is a deficient number, since it is larger than the sum of its proper divisors (1).

112211081 is an equidigital number, since it uses as much as digits as its factorization.

112211081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 112211081 is about 10592.9731898084. The cubic root of 112211081 is about 482.3310813929.

Adding to 112211081 its reverse (180112211), we get a palindrome (292323292).

The spelling of 112211081 in words is "one hundred twelve million, two hundred eleven thousand, eighty-one".