100111011010987 has 2 divisors, whose sum is σ = 100111011010988. Its totient is φ = 100111011010986.

The previous prime is 100111011010903. The next prime is 100111011011057. The reversal of 100111011010987 is 789010110111001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100111011010987 - 2⁷ = 100111011010859 is a prime.

It is not a weakly prime, because it can be changed into another prime (100111011110987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055505505493 + 50055505505494.

It is an arithmetic number, because the mean of its divisors is an integer number (50055505505494).

Almost surely, 2^{100111011010987} is an apocalyptic number.

100111011010987 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111011010987 is an equidigital number, since it uses as much as digits as its factorization.

100111011010987 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 100111011010987 its reverse (789010110111001), we get a palindrome (889121121121988).

The spelling of 100111011010987 in words is "one hundred trillion, one hundred eleven billion, eleven million, ten thousand, nine hundred eighty-seven".