11201022120020 has 48 divisors (see below), whose sum is σ = 24585689092608. Its totient is φ = 4278477561600.

The previous prime is 11201022120011. The next prime is 11201022120031. The reversal of 11201022120020 is 2002122010211.

11201022120020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11201022119977 and 11201022120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19981484 + ... + 20534403.

It is an arithmetic number, because the mean of its divisors is an integer number (512201856096).

Almost surely, 2^{11201022120020} is an apocalyptic number.

11201022120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201022120020 is an abundant number, since it is smaller than the sum of its proper divisors (13384666972588).

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

11201022120020 is a wasteful number, since it uses less digits than its factorization.

11201022120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40516520 (or 40516518 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11201022120020 its reverse (2002122010211), we get a palindrome (13203144130231).

The spelling of 11201022120020 in words is "eleven trillion, two hundred one billion, twenty-two million, one hundred twenty thousand, twenty".