11010311020 has 12 divisors (see below), whose sum is σ = 23121653184. Its totient is φ = 4404124400.

The previous prime is 11010311009. The next prime is 11010311023. The reversal of 11010311020 is 2011301011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11010310988 and 11010311006.

It is not an unprimeable number, because it can be changed into a prime (11010311023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275257756 + ... + 275257795.

It is an arithmetic number, because the mean of its divisors is an integer number (1926804432).

Almost surely, 2^11010311020 is an apocalyptic number.

11010311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010311020 is an abundant number, since it is smaller than the sum of its proper divisors (12111342164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11010311020 is a wasteful number, since it uses less digits than its factorization.

11010311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550515560 (or 550515558 counting only the distinct ones).

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

Adding to 11010311020 its reverse (2011301011), we get a palindrome (13021612031).

The spelling of 11010311020 in words is "eleven billion, ten million, three hundred eleven thousand, twenty".