111010112119987 has 2 divisors, whose sum is σ = 111010112119988. Its totient is φ = 111010112119986.

The previous prime is 111010112119969. The next prime is 111010112120009. The reversal of 111010112119987 is 789911211010111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111010112119987 is a prime.

It is not a weakly prime, because it can be changed into another prime (111010112119967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505056059993 + 55505056059994.

It is an arithmetic number, because the mean of its divisors is an integer number (55505056059994).

Almost surely, 2^{111010112119987} is an apocalyptic number.

111010112119987 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010112119987 is an equidigital number, since it uses as much as digits as its factorization.

111010112119987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 43.

The spelling of 111010112119987 in words is "one hundred eleven trillion, ten billion, one hundred twelve million, one hundred nineteen thousand, nine hundred eighty-seven".