1002000100027 has 2 divisors, whose sum is σ = 1002000100028. Its totient is φ = 1002000100026.

The previous prime is 1002000100019. The next prime is 1002000100051. The reversal of 1002000100027 is 7200010002001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002000100027 - 2³ = 1002000100019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002000100097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501000050013 + 501000050014.

It is an arithmetic number, because the mean of its divisors is an integer number (501000050014).

Almost surely, 2^{1002000100027} is an apocalyptic number.

1002000100027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002000100027 is an equidigital number, since it uses as much as digits as its factorization.

1002000100027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

Adding to 1002000100027 its reverse (7200010002001), we get a palindrome (8202010102028).

The spelling of 1002000100027 in words is "one trillion, two billion, one hundred thousand, twenty-seven".