112221010987 has 2 divisors, whose sum is σ = 112221010988. Its totient is φ = 112221010986.

The previous prime is 112221010961. The next prime is 112221011011. The reversal of 112221010987 is 789010122211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221010987 is a prime.

It is not a weakly prime, because it can be changed into another prime (112221010927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110505493 + 56110505494.

It is an arithmetic number, because the mean of its divisors is an integer number (56110505494).

Almost surely, 2^112221010987 is an apocalyptic number.

112221010987 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221010987 is an equidigital number, since it uses as much as digits as its factorization.

112221010987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 112221010987 in words is "one hundred twelve billion, two hundred twenty-one million, ten thousand, nine hundred eighty-seven".