11202120012020 has 48 divisors (see below), whose sum is σ = 26980088435328. Its totient is φ = 3827155374720.

The previous prime is 11202120012011. The next prime is 11202120012037. The reversal of 11202120012020 is 2021002120211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11202120011986 and 11202120012004.

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, 141329891 + ... + 141409130.

It is an arithmetic number, because the mean of its divisors is an integer number (562085175736).

Almost surely, 2^{11202120012020} is an apocalyptic number.

11202120012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202120012020 is an abundant number, since it is smaller than the sum of its proper divisors (15777968423308).

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

11202120012020 is a wasteful number, since it uses less digits than its factorization.

11202120012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282739320 (or 282739318 counting only the distinct ones).

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

Adding to 11202120012020 its reverse (2021002120211), we get a palindrome (13223122132231).

The spelling of 11202120012020 in words is "eleven trillion, two hundred two billion, one hundred twenty million, twelve thousand, twenty".