112221427 has 2 divisors, whose sum is σ = 112221428. Its totient is φ = 112221426.

The previous prime is 112221397. The next prime is 112221433. The reversal of 112221427 is 724122211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112221398 and 112221407.

It is not a weakly prime, because it can be changed into another prime (112221227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110713 + 56110714.

It is an arithmetic number, because the mean of its divisors is an integer number (56110714).

Almost surely, 2^112221427 is an apocalyptic number.

112221427 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221427 is an equidigital number, since it uses as much as digits as its factorization.

112221427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 22.

The square root of 112221427 is about 10593.4615211460. The cubic root of 112221427 is about 482.3459047774.

Adding to 112221427 its reverse (724122211), we get a palindrome (836343638).

The spelling of 112221427 in words is "one hundred twelve million, two hundred twenty-one thousand, four hundred twenty-seven".