11100001112001 has 24 divisors (see below), whose sum is σ = 16260269223744. Its totient is φ = 7295276106720.

The previous prime is 11100001111973. The next prime is 11100001112099. The reversal of 11100001112001 is 10021110000111.

It is not a de Polignac number, because 11100001112001 - 2⁹ = 11100001111489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11100001112401) 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 23 ways as a sum of consecutive naturals, for example, 8868310 + ... + 10042256.

It is an arithmetic number, because the mean of its divisors is an integer number (677511217656).

Almost surely, 2^{11100001112001} is an apocalyptic number.

It is an amenable number.

11100001112001 is a deficient number, since it is larger than the sum of its proper divisors (5160268111743).

11100001112001 is a wasteful number, since it uses less digits than its factorization.

11100001112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188821 (or 1188818 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11100001112001 its reverse (10021110000111), we get a palindrome (21121111112112).

The spelling of 11100001112001 in words is "eleven trillion, one hundred billion, one million, one hundred twelve thousand, one".