1000001011099 has 4 divisors (see below), whose sum is σ = 1012049216136. Its totient is φ = 987952806064.

The previous prime is 1000001011013. The next prime is 1000001011117. The reversal of 1000001011099 is 9901101000001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000001011099 - 2⁹ = 1000001010587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000001015099) 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 in 3 ways as a sum of consecutive naturals, for example, 6024102394 + ... + 6024102559.

It is an arithmetic number, because the mean of its divisors is an integer number (253012304034).

Almost surely, 2^{1000001011099} is an apocalyptic number.

1000001011099 is a deficient number, since it is larger than the sum of its proper divisors (12048205037).

1000001011099 is an equidigital number, since it uses as much as digits as its factorization.

1000001011099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12048205036.

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 1000001011099 in words is "one trillion, one million, eleven thousand, ninety-nine".