1100110001 has 6 divisors (see below), whose sum is σ = 1168629270.
Its totient is φ = 1035397376.
The previous prime is 1100109961. The next prime is 1100110007. The reversal of 1100110001 is 1000110011.
It can be written as a sum of positive squares in 3 ways, for example, as 469848976 + 630261025 = 21676^2 + 25105^2
It is a de Polignac number, because none of the positive numbers 2k-1100110001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1100110007) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1903016 + ... + 1903593.
It is an arithmetic number, because the mean of its divisors is an integer number (194771545).
Almost surely, 21100110001 is an apocalyptic number.
It is an amenable number.
1100110001 is a deficient number, since it is larger than the sum of its proper divisors (68519269).
1100110001 is an equidigital number, since it uses as much as digits as its factorization.
1100110001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3806643 (or 3806626 counting only the distinct ones).
The product of its (nonzero) digits is 1, while the sum is 5.
The square root of 1100110001 is about 33167.9061895683.
The cubic root of 1100110001 is about 1032.3145239594.
Adding to 1100110001 its reverse (1000110011), we get a palindrome (2100220012).
The spelling of 1100110001 in words is "one billion, one hundred million, one hundred ten thousand, one".