1000001001099 has 8 divisors (see below), whose sum is σ = 1345567096720. Its totient is φ = 660551119776.

The previous prime is 1000001001091. The next prime is 1000001001107. The reversal of 1000001001099 is 9901001000001.

1000001001099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1000001001091) and next prime (1000001001107).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000001001099 - 2³ = 1000001001091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000001001091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529053192 + ... + 1529053845.

It is an arithmetic number, because the mean of its divisors is an integer number (168195887090).

Almost surely, 2^{1000001001099} is an apocalyptic number.

1000001001099 is a deficient number, since it is larger than the sum of its proper divisors (345566095621).

1000001001099 is a wasteful number, since it uses less digits than its factorization.

1000001001099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058107149.

The product of its (nonzero) digits is 81, while the sum is 21.

The spelling of 1000001001099 in words is "one trillion, one million, one thousand, ninety-nine".