11001001100001 has 8 divisors (see below), whose sum is σ = 16001456145504. Its totient is φ = 6667273393920.

The previous prime is 11001001099981. The next prime is 11001001100009. The reversal of 11001001100001 is 10000110010011.

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

It is not a de Polignac number, because 11001001100001 - 2²¹ = 11000999002849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001001100009) 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, 166681834816 + ... + 166681834881.

It is an arithmetic number, because the mean of its divisors is an integer number (2000182018188).

Almost surely, 2^{11001001100001} is an apocalyptic number.

11001001100001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11001001100001 is a deficient number, since it is larger than the sum of its proper divisors (5000455045503).

11001001100001 is a wasteful number, since it uses less digits than its factorization.

11001001100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333363669711.

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

Adding to 11001001100001 its reverse (10000110010011), we get a palindrome (21001111110012).

The spelling of 11001001100001 in words is "eleven trillion, one billion, one million, one hundred thousand, one".