11011101012011 has 4 divisors (see below), whose sum is σ = 11015915662752. Its totient is φ = 11006286361272.

The previous prime is 11011101012007. The next prime is 11011101012017. The reversal of 11011101012011 is 11021010111011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11011101012011 - 2² = 11011101012007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011101011983 and 11011101012001.

It is not an unprimeable number, because it can be changed into a prime (11011101012017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2407321940 + ... + 2407326513.

It is an arithmetic number, because the mean of its divisors is an integer number (2753978915688).

Almost surely, 2^{11011101012011} is an apocalyptic number.

11011101012011 is a deficient number, since it is larger than the sum of its proper divisors (4814650741).

11011101012011 is an equidigital number, since it uses as much as digits as its factorization.

11011101012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814650740.

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

Adding to 11011101012011 its reverse (11021010111011), we get a palindrome (22032111123022).

The spelling of 11011101012011 in words is "eleven trillion, eleven billion, one hundred one million, twelve thousand, eleven".