11101001011001 has 8 divisors (see below), whose sum is σ = 12121727436000. Its totient is φ = 10082198671840.

The previous prime is 11101001010977. The next prime is 11101001011021. The reversal of 11101001011001 is 10011010010111.

11101001011001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11101001011001 - 2²⁶ = 11100933902137 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 11101001011001.

It is not an unprimeable number, because it can be changed into a prime (11101001011021) 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, 481009391 + ... + 481032468.

It is an arithmetic number, because the mean of its divisors is an integer number (1515215929500).

Almost surely, 2^{11101001011001} is an apocalyptic number.

11101001011001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11101001011001 is a deficient number, since it is larger than the sum of its proper divisors (1020726424999).

11101001011001 is a wasteful number, since it uses less digits than its factorization.

11101001011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962042919.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11101001011001 its reverse (10011010010111), we get a palindrome (21112011021112).

The spelling of 11101001011001 in words is "eleven trillion, one hundred one billion, one million, eleven thousand, one".