112215611 has 2 divisors, whose sum is σ = 112215612. Its totient is φ = 112215610.

The previous prime is 112215601. The next prime is 112215659. The reversal of 112215611 is 116512211.

It is a weak prime.

It is an emirp because it is prime and its reverse (116512211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112215611 - 2⁶ = 112215547 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112215601) 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, 56107805 + 56107806.

It is an arithmetic number, because the mean of its divisors is an integer number (56107806).

Almost surely, 2^112215611 is an apocalyptic number.

112215611 is a deficient number, since it is larger than the sum of its proper divisors (1).

112215611 is an equidigital number, since it uses as much as digits as its factorization.

112215611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 20.

The square root of 112215611 is about 10593.1870086391. The cubic root of 112215611 is about 482.3375719295.

Adding to 112215611 its reverse (116512211), we get a palindrome (228727822).

It can be divided in two parts, 11221 and 5611, that multiplied together give a triangular number (62961031 = T₁₁₂₂₁).

The spelling of 112215611 in words is "one hundred twelve million, two hundred fifteen thousand, six hundred eleven".