11000021112020 has 48 divisors (see below), whose sum is σ = 24316180593600. Its totient is φ = 4168370004480.

The previous prime is 11000021112013. The next prime is 11000021112037. The reversal of 11000021112020 is 2021112000011.

It is a junction number, because it is equal to n+sod(n) for n = 11000021111992 and 11000021112010.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34275500 + ... + 34594940.

It is an arithmetic number, because the mean of its divisors is an integer number (506587095700).

Almost surely, 2^{11000021112020} is an apocalyptic number.

11000021112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000021112020 is an abundant number, since it is smaller than the sum of its proper divisors (13316159481580).

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

11000021112020 is a wasteful number, since it uses less digits than its factorization.

11000021112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410088 (or 410086 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11000021112020 its reverse (2021112000011), we get a palindrome (13021133112031).

The spelling of 11000021112020 in words is "eleven trillion, twenty-one million, one hundred twelve thousand, twenty".