112221122287 has 2 divisors, whose sum is σ = 112221122288. Its totient is φ = 112221122286.

The previous prime is 112221122171. The next prime is 112221122297. The reversal of 112221122287 is 782221122211.

It is a strong prime.

It is an emirp because it is prime and its reverse (782221122211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221122287 is a prime.

It is a super-2 number, since 2×112221122287² (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 (112221122297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110561143 + 56110561144.

It is an arithmetic number, because the mean of its divisors is an integer number (56110561144).

Almost surely, 2^112221122287 is an apocalyptic number.

112221122287 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221122287 is an equidigital number, since it uses as much as digits as its factorization.

112221122287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 31.

Adding to 112221122287 its reverse (782221122211), we get a palindrome (894442244498).

The spelling of 112221122287 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred eighty-seven".