20011000099 has 2 divisors, whose sum is σ = 20011000100. Its totient is φ = 20011000098.

The previous prime is 20011000057. The next prime is 20011000111. The reversal of 20011000099 is 99000011002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20011000099 - 2⁹ = 20010999587 is a prime.

It is not a weakly prime, because it can be changed into another prime (20011000019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005500049 + 10005500050.

It is an arithmetic number, because the mean of its divisors is an integer number (10005500050).

Almost surely, 2^20011000099 is an apocalyptic number.

20011000099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011000099 is an equidigital number, since it uses as much as digits as its factorization.

20011000099 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 22.

The spelling of 20011000099 in words is "twenty billion, eleven million, ninety-nine", and thus it is an aban number and an uban number.