100000100009987 has 2 divisors, whose sum is σ = 100000100009988. Its totient is φ = 100000100009986.

The previous prime is 100000100009969. The next prime is 100000100010001. The reversal of 100000100009987 is 789900001000001.

It is a strong prime.

It is an emirp because it is prime and its reverse (789900001000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100000100009987 - 2⁸ = 100000100009731 is a prime.

It is not a weakly prime, because it can be changed into another prime (100000100009917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000050004993 + 50000050004994.

It is an arithmetic number, because the mean of its divisors is an integer number (50000050004994).

Almost surely, 2^{100000100009987} is an apocalyptic number.

100000100009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000100009987 is an equidigital number, since it uses as much as digits as its factorization.

100000100009987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

Adding to 100000100009987 its reverse (789900001000001), we get a palindrome (889900101009988).

The spelling of 100000100009987 in words is "one hundred trillion, one hundred million, nine thousand, nine hundred eighty-seven".