11011200021020 has 24 divisors (see below), whose sum is σ = 23132870540304. Its totient is φ = 4402698961536.

The previous prime is 11011200020983. The next prime is 11011200021089. The reversal of 11011200021020 is 2012000211011.

It is a junction number, because it is equal to n+sod(n) for n = 11011200020992 and 11011200021010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111264734 + ... + 111363653.

It is an arithmetic number, because the mean of its divisors is an integer number (963869605846).

Almost surely, 2^{11011200021020} is an apocalyptic number.

11011200021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011200021020 is an abundant number, since it is smaller than the sum of its proper divisors (12121670519284).

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

11011200021020 is a wasteful number, since it uses less digits than its factorization.

11011200021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222630869 (or 222630867 counting only the distinct ones).

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

Adding to 11011200021020 its reverse (2012000211011), we get a palindrome (13023200232031).

The spelling of 11011200021020 in words is "eleven trillion, eleven billion, two hundred million, twenty-one thousand, twenty".