11020031011 has 16 divisors (see below), whose sum is σ = 12064864896. Its totient is φ = 9982440000.

The previous prime is 11020030993. The next prime is 11020031039. The reversal of 11020031011 is 11013002011.

It is a cyclic number.

It is not a de Polignac number, because 11020031011 - 2⁵ = 11020030979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020031081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4646656 + ... + 4649026.

It is an arithmetic number, because the mean of its divisors is an integer number (754054056).

Almost surely, 2^11020031011 is an apocalyptic number.

11020031011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11020031011 is a deficient number, since it is larger than the sum of its proper divisors (1044833885).

11020031011 is a wasteful number, since it uses less digits than its factorization.

11020031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 11020031011 its reverse (11013002011), we get a palindrome (22033033022).

The spelling of 11020031011 in words is "eleven billion, twenty million, thirty-one thousand, eleven".