11011121111101 has 4 divisors (see below), whose sum is σ = 11052054647100. Its totient is φ = 10970187575104.

The previous prime is 11011121111087. The next prime is 11011121111167. The reversal of 11011121111101 is 10111112111011.

11011121111101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1253157108025 + 9757964003076 = 1119445^2 + 3123774^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011121111101 - 2⁷ = 11011121110973 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 (11011121111701) 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, 20466767596 + ... + 20466768133.

It is an arithmetic number, because the mean of its divisors is an integer number (2763013661775).

Almost surely, 2^{11011121111101} is an apocalyptic number.

It is an amenable number.

11011121111101 is a deficient number, since it is larger than the sum of its proper divisors (40933535999).

11011121111101 is an equidigital number, since it uses as much as digits as its factorization.

11011121111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40933535998.

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 11011121111101 its reverse (10111112111011), we get a palindrome (21122233222112).

The spelling of 11011121111101 in words is "eleven trillion, eleven billion, one hundred twenty-one million, one hundred eleven thousand, one hundred one".