11202020021100 has 36 divisors (see below), whose sum is σ = 32411177928584. Its totient is φ = 2987205338880.

The previous prime is 11202020021069. The next prime is 11202020021107. The reversal of 11202020021100 is 112002020211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11202020021107) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 18670033069 + ... + 18670033668.

Almost surely, 2^{11202020021100} is an apocalyptic number.

11202020021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202020021100 is an abundant number, since it is smaller than the sum of its proper divisors (21209157907484).

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

11202020021100 is a wasteful number, since it uses less digits than its factorization.

11202020021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37340066754 (or 37340066747 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11202020021100 its reverse (112002020211), we get a palindrome (11314022041311).

The spelling of 11202020021100 in words is "eleven trillion, two hundred two billion, twenty million, twenty-one thousand, one hundred".