11001101001 has 16 divisors (see below), whose sum is σ = 16272817920. Its totient is φ = 6554327120.

The previous prime is 11001100993. The next prime is 11001101003. The reversal of 11001101001 is 10010110011.

It is not a de Polignac number, because 11001101001 - 2³ = 11001100993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001101003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2823195 + ... + 2827088.

It is an arithmetic number, because the mean of its divisors is an integer number (1017051120).

Almost surely, 2^11001101001 is an apocalyptic number.

11001101001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11001101001 is a deficient number, since it is larger than the sum of its proper divisors (5271716919).

11001101001 is a wasteful number, since it uses less digits than its factorization.

11001101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5650356.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 11001101001 its reverse (10010110011), we get a palindrome (21011211012).

The spelling of 11001101001 in words is "eleven billion, one million, one hundred one thousand, one".