11001002011011 has 6 divisors (see below), whose sum is σ = 15890336238140. Its totient is φ = 7334001340668.

The previous prime is 11001002010989. The next prime is 11001002011019. The reversal of 11001002011011 is 11011020010011.

It is not a de Polignac number, because 11001002011011 - 2¹¹ = 11001002008963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1222333556779 = 11001002011011 / (1 + 1 + 0 + 0 + 1 + 0 + 0 + 2 + 0 + 1 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001002010984 and 11001002011002.

It is not an unprimeable number, because it can be changed into a prime (11001002011019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611166778381 + ... + 611166778398.

Almost surely, 2^{11001002011011} is an apocalyptic number.

11001002011011 is a deficient number, since it is larger than the sum of its proper divisors (4889334227129).

11001002011011 is a wasteful number, since it uses less digits than its factorization.

11001002011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222333556785 (or 1222333556782 counting only the distinct ones).

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

Adding to 11001002011011 its reverse (11011020010011), we get a palindrome (22012022021022).

The spelling of 11001002011011 in words is "eleven trillion, one billion, two million, eleven thousand, eleven".