11021101111011 has 16 divisors (see below), whose sum is σ = 15277886080128. Its totient is φ = 7061207841600.

The previous prime is 11021101110991. The next prime is 11021101111019. The reversal of 11021101111011 is 11011110112011.

It is not a de Polignac number, because 11021101111011 - 2⁹ = 11021101110499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11021101111019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668666745 + ... + 668683226.

It is an arithmetic number, because the mean of its divisors is an integer number (954867880008).

Almost surely, 2^{11021101111011} is an apocalyptic number.

11021101111011 is a deficient number, since it is larger than the sum of its proper divisors (4256784969117).

11021101111011 is a wasteful number, since it uses less digits than its factorization.

11021101111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337350082.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 11021101111011 its reverse (11011110112011), we get a palindrome (22032211223022).

The spelling of 11021101111011 in words is "eleven trillion, twenty-one billion, one hundred one million, one hundred eleven thousand, eleven".