1001001100087 has 2 divisors, whose sum is σ = 1001001100088. Its totient is φ = 1001001100086.

The previous prime is 1001001100063. The next prime is 1001001100123. The reversal of 1001001100087 is 7800011001001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001001100087 - 2¹¹ = 1001001098039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001001100027) 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, 500500550043 + 500500550044.

It is an arithmetic number, because the mean of its divisors is an integer number (500500550044).

Almost surely, 2^{1001001100087} is an apocalyptic number.

1001001100087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001001100087 is an equidigital number, since it uses as much as digits as its factorization.

1001001100087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 1001001100087 its reverse (7800011001001), we get a palindrome (8801012101088).

The spelling of 1001001100087 in words is "one trillion, one billion, one million, one hundred thousand, eighty-seven".