1002011099 has 2 divisors, whose sum is σ = 1002011100. Its totient is φ = 1002011098.

The previous prime is 1002011083. The next prime is 1002011119. The reversal of 1002011099 is 9901102001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002011099 - 2⁴ = 1002011083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002010099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501005549 + 501005550.

It is an arithmetic number, because the mean of its divisors is an integer number (501005550).

Almost surely, 2^1002011099 is an apocalyptic number.

1002011099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002011099 is an equidigital number, since it uses as much as digits as its factorization.

1002011099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 1002011099 is about 31654.5588975743. The cubic root of 1002011099 is about 1000.6699174437.

The spelling of 1002011099 in words is "one billion, two million, eleven thousand, ninety-nine".