11001100101001 has 8 divisors (see below), whose sum is σ = 11648257297920. Its totient is φ = 10353946644288.

The previous prime is 11001100100999. The next prime is 11001100101041. The reversal of 11001100101001 is 10010100110011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11001100101001 - 2¹ = 11001100100999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001100101041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7087080 + ... + 8498758.

It is an arithmetic number, because the mean of its divisors is an integer number (1456032162240).

Almost surely, 2^{11001100101001} is an apocalyptic number.

It is an amenable number.

11001100101001 is a deficient number, since it is larger than the sum of its proper divisors (647157196919).

11001100101001 is a wasteful number, since it uses less digits than its factorization.

11001100101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870103.

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

Adding to 11001100101001 its reverse (10010100110011), we get a palindrome (21011200211012).

The spelling of 11001100101001 in words is "eleven trillion, one billion, one hundred million, one hundred one thousand, one".