11110001010001 has 4 divisors (see below), whose sum is σ = 11133996692992. Its totient is φ = 11086005327012.

The previous prime is 11110001009993. The next prime is 11110001010023. The reversal of 11110001010001 is 10001010001111.

It is a happy number.

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 not a de Polignac number, because 11110001010001 - 2³ = 11110001009993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110001010061) 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, 11997840801 + ... + 11997841726.

It is an arithmetic number, because the mean of its divisors is an integer number (2783499173248).

Almost surely, 2^{11110001010001} is an apocalyptic number.

It is an amenable number.

11110001010001 is a deficient number, since it is larger than the sum of its proper divisors (23995682991).

11110001010001 is an equidigital number, since it uses as much as digits as its factorization.

11110001010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23995682990.

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

Adding to 11110001010001 its reverse (10001010001111), we get a palindrome (21111011011112).

It can be divided in two parts, 111 and 10001010001, that multiplied together give a palindrome (1110112110111).

The spelling of 11110001010001 in words is "eleven trillion, one hundred ten billion, one million, ten thousand, one".