11020011001011 has 20 divisors (see below), whose sum is σ = 16488846615472. Its totient is φ = 7334689181328.

The previous prime is 11020011001007. The next prime is 11020011001073. The reversal of 11020011001011 is 11010011002011.

It is not a de Polignac number, because 11020011001011 - 2² = 11020011001007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020011000984 and 11020011001002.

It is not an unprimeable number, because it can be changed into a prime (11020011501011) 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 19 ways as a sum of consecutive naturals, for example, 110920591 + ... + 111019896.

Almost surely, 2^{11020011001011} is an apocalyptic number.

11020011001011 is a deficient number, since it is larger than the sum of its proper divisors (5468835614461).

11020011001011 is an equidigital number, since it uses as much as digits as its factorization.

11020011001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221941112 (or 221941103 counting only the distinct ones).

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

Adding to 11020011001011 its reverse (11010011002011), we get a palindrome (22030022003022).

It can be divided in two parts, 1102001 and 1001011, that added together give a palindrome (2103012).

The spelling of 11020011001011 in words is "eleven trillion, twenty billion, eleven million, one thousand, eleven".