1000001000099 has 2 divisors, whose sum is σ = 1000001000100. Its totient is φ = 1000001000098.

The previous prime is 1000001000093. The next prime is 1000001000107. The reversal of 1000001000099 is 9900001000001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001000099 - 2¹² = 1000000996003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000001000099.

It is not a weakly prime, because it can be changed into another prime (1000001000093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000500049 + 500000500050.

It is an arithmetic number, because the mean of its divisors is an integer number (500000500050).

Almost surely, 2^{1000001000099} is an apocalyptic number.

1000001000099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001000099 is an equidigital number, since it uses as much as digits as its factorization.

1000001000099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 20.

The spelling of 1000001000099 in words is "one trillion, one million, ninety-nine", and thus it is an aban number and an uban number.