1011100100987 has 2 divisors, whose sum is σ = 1011100100988. Its totient is φ = 1011100100986.

The previous prime is 1011100100971. The next prime is 1011100101007. The reversal of 1011100100987 is 7890010011101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011100100987 - 2⁴ = 1011100100971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011100100917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505550050493 + 505550050494.

It is an arithmetic number, because the mean of its divisors is an integer number (505550050494).

Almost surely, 2^{1011100100987} is an apocalyptic number.

1011100100987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011100100987 is an equidigital number, since it uses as much as digits as its factorization.

1011100100987 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 29.

The spelling of 1011100100987 in words is "one trillion, eleven billion, one hundred million, one hundred thousand, nine hundred eighty-seven".