11211001110001 has 16 divisors (see below), whose sum is σ = 13977835822080. Its totient is φ = 8735542652880.

The previous prime is 11211001109899. The next prime is 11211001110011. The reversal of 11211001110001 is 10001110011211.

It is a cyclic number.

It is not a de Polignac number, because 11211001110001 - 2³³ = 11202411175409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11211001110001.

It is not an unprimeable number, because it can be changed into a prime (11211001110011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267661 + ... + 4742746.

It is an arithmetic number, because the mean of its divisors is an integer number (873614738880).

Almost surely, 2^{11211001110001} is an apocalyptic number.

11211001110001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11211001110001 is a deficient number, since it is larger than the sum of its proper divisors (2766834712079).

11211001110001 is a wasteful number, since it uses less digits than its factorization.

11211001110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5039484.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11211001110001 its reverse (10001110011211), we get a palindrome (21212111121212).

The spelling of 11211001110001 in words is "eleven trillion, two hundred eleven billion, one million, one hundred ten thousand, one".