110111110987 has 2 divisors, whose sum is σ = 110111110988. Its totient is φ = 110111110986.

The previous prime is 110111110897. The next prime is 110111111081. The reversal of 110111110987 is 789011111011.

Together with previous prime (110111110897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (789011111011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110111110987 - 2³¹ = 107963627339 is a prime.

It is a super-2 number, since 2×110111110987² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110111110387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055555493 + 55055555494.

It is an arithmetic number, because the mean of its divisors is an integer number (55055555494).

Almost surely, 2^110111110987 is an apocalyptic number.

110111110987 is a deficient number, since it is larger than the sum of its proper divisors (1).

110111110987 is an equidigital number, since it uses as much as digits as its factorization.

110111110987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 31.

Adding to 110111110987 its reverse (789011111011), we get a palindrome (899122221998).

The spelling of 110111110987 in words is "one hundred ten billion, one hundred eleven million, one hundred ten thousand, nine hundred eighty-seven".