11020812011 has 6 divisors (see below), whose sum is σ = 12113785236. Its totient is φ = 10018919900.

The previous prime is 11020811987. The next prime is 11020812073. The reversal of 11020812011 is 11021802011.

It is not a de Polignac number, because 11020812011 - 2¹⁴ = 11020795627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020812811) 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, 45540425 + ... + 45540666.

It is an arithmetic number, because the mean of its divisors is an integer number (2018964206).

Almost surely, 2^11020812011 is an apocalyptic number.

11020812011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11020812011 is a deficient number, since it is larger than the sum of its proper divisors (1092973225).

11020812011 is an equidigital number, since it uses as much as digits as its factorization.

11020812011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91081113 (or 91081102 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

The spelling of 11020812011 in words is "eleven billion, twenty million, eight hundred twelve thousand, eleven".