1011011099 has 4 divisors (see below), whose sum is σ = 1155441264. Its totient is φ = 866580936.

The previous prime is 1011011017. The next prime is 1011011107. The reversal of 1011011099 is 9901101101.

It is a happy number.

1011011099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1011011099 - 2¹⁶ = 1010945563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011011999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72215072 + ... + 72215085.

It is an arithmetic number, because the mean of its divisors is an integer number (288860316).

Almost surely, 2^1011011099 is an apocalyptic number.

1011011099 is a deficient number, since it is larger than the sum of its proper divisors (144430165).

1011011099 is an equidigital number, since it uses as much as digits as its factorization.

1011011099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144430164.

The product of its (nonzero) digits is 81, while the sum is 23.

The square root of 1011011099 is about 31796.4007239813. The cubic root of 1011011099 is about 1003.6569765537.

The spelling of 1011011099 in words is "one billion, eleven million, eleven thousand, ninety-nine".