11020320011 has 4 divisors (see below), whose sum is σ = 11024572632. Its totient is φ = 11016067392.

The previous prime is 11020319987. The next prime is 11020320043. The reversal of 11020320011 is 11002302011.

11020320011 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, and also an emirpimes, since its reverse is a distinct semiprime: 11002302011 = 23 ⋅478360957.

It is a cyclic number.

It is not a de Polignac number, because 11020320011 - 2²² = 11016125707 is a prime.

It is a super-3 number, since 3×11020320011³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020319974 and 11020320001.

It is not an unprimeable number, because it can be changed into a prime (11020320071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122421 + ... + 2127606.

It is an arithmetic number, because the mean of its divisors is an integer number (2756143158).

Almost surely, 2^11020320011 is an apocalyptic number.

11020320011 is a deficient number, since it is larger than the sum of its proper divisors (4252621).

11020320011 is an equidigital number, since it uses as much as digits as its factorization.

11020320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252620.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11020320011 its reverse (11002302011), we get a palindrome (22022622022).

The spelling of 11020320011 in words is "eleven billion, twenty million, three hundred twenty thousand, eleven".