11101101010001 has 4 divisors (see below), whose sum is σ = 11101688047104. Its totient is φ = 11100513972900.

The previous prime is 11101101009967. The next prime is 11101101010007. The reversal of 11101101010001 is 10001010110111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101101010001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11101101010007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293490185 + ... + 293528006.

It is an arithmetic number, because the mean of its divisors is an integer number (2775422011776).

Almost surely, 2^{11101101010001} is an apocalyptic number.

It is an amenable number.

11101101010001 is a deficient number, since it is larger than the sum of its proper divisors (587037103).

11101101010001 is an equidigital number, since it uses as much as digits as its factorization.

11101101010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587037102.

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

Adding to 11101101010001 its reverse (10001010110111), we get a palindrome (21102111120112).

The spelling of 11101101010001 in words is "eleven trillion, one hundred one billion, one hundred one million, ten thousand, one".