11121100101101 has 4 divisors (see below), whose sum is σ = 11124805902204. Its totient is φ = 11117394300000.

The previous prime is 11121100101077. The next prime is 11121100101149. The reversal of 11121100101101 is 10110100112111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5213235129001 + 5907864972100 = 2283251^2 + 2430610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121100101101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121100101151) 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 3 ways as a sum of consecutive naturals, for example, 1852896050 + ... + 1852902051.

It is an arithmetic number, because the mean of its divisors is an integer number (2781201475551).

Almost surely, 2^{11121100101101} is an apocalyptic number.

It is an amenable number.

11121100101101 is a deficient number, since it is larger than the sum of its proper divisors (3705801103).

11121100101101 is an equidigital number, since it uses as much as digits as its factorization.

11121100101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705801102.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11121100101101 its reverse (10110100112111), we get a palindrome (21231200213212).

The spelling of 11121100101101 in words is "eleven trillion, one hundred twenty-one billion, one hundred million, one hundred one thousand, one hundred one".