11002311020 has 12 divisors (see below), whose sum is σ = 23104853184. Its totient is φ = 4400924400.

The previous prime is 11002311013. The next prime is 11002311139. The reversal of 11002311020 is 2011320011.

It is a junction number, because it is equal to n+sod(n) for n = 11002310992 and 11002311010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275057756 + ... + 275057795.

It is an arithmetic number, because the mean of its divisors is an integer number (1925404432).

Almost surely, 2^11002311020 is an apocalyptic number.

11002311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002311020 is an abundant number, since it is smaller than the sum of its proper divisors (12102542164).

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

11002311020 is a wasteful number, since it uses less digits than its factorization.

11002311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550115560 (or 550115558 counting only the distinct ones).

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

Adding to 11002311020 its reverse (2011320011), we get a palindrome (13013631031).

The spelling of 11002311020 in words is "eleven billion, two million, three hundred eleven thousand, twenty".