111010100987 has 2 divisors, whose sum is σ = 111010100988. Its totient is φ = 111010100986.

The previous prime is 111010100977. The next prime is 111010101001. The reversal of 111010100987 is 789001010111.

It is a weak prime.

It is an emirp because it is prime and its reverse (789001010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111010100987 - 2¹² = 111010096891 is a prime.

It is a super-2 number, since 2×111010100987² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111010100977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505050493 + 55505050494.

It is an arithmetic number, because the mean of its divisors is an integer number (55505050494).

Almost surely, 2^111010100987 is an apocalyptic number.

111010100987 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010100987 is an equidigital number, since it uses as much as digits as its factorization.

111010100987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 29.

The spelling of 111010100987 in words is "one hundred eleven billion, ten million, one hundred thousand, nine hundred eighty-seven".