110011001011 has 4 divisors (see below), whose sum is σ = 110272310224. Its totient is φ = 109749691800.

The previous prime is 110011000961. The next prime is 110011001017. The reversal of 110011001011 is 110100110011.

It is a happy number.

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 110011001011 - 2⁹ = 110011000499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110011000985 and 110011001003.

It is not an unprimeable number, because it can be changed into a prime (110011001017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130653975 + ... + 130654816.

It is an arithmetic number, because the mean of its divisors is an integer number (27568077556).

Almost surely, 2^110011001011 is an apocalyptic number.

110011001011 is a deficient number, since it is larger than the sum of its proper divisors (261309213).

110011001011 is an equidigital number, since it uses as much as digits as its factorization.

110011001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261309212.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 110011001011 its reverse (110100110011), we get a palindrome (220111111022).

The spelling of 110011001011 in words is "one hundred ten billion, eleven million, one thousand, eleven".