1011000099 has 16 divisors (see below), whose sum is σ = 1418205600. Its totient is φ = 639786240.

The previous prime is 1011000077. The next prime is 1011000101. The reversal of 1011000099 is 9900001101.

It is not a de Polignac number, because 1011000099 - 2⁷ = 1010999971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011020099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106524 + ... + 115625.

It is an arithmetic number, because the mean of its divisors is an integer number (88637850).

Almost surely, 2^1011000099 is an apocalyptic number.

1011000099 is a deficient number, since it is larger than the sum of its proper divisors (407205501).

1011000099 is a wasteful number, since it uses less digits than its factorization.

1011000099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222230.

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

The square root of 1011000099 is about 31796.2277479578. The cubic root of 1011000099 is about 1003.6533365452.

The spelling of 1011000099 in words is "one billion, eleven million, ninety-nine", and thus it is an aban number and an uban number.