11102001202020 has 48 divisors (see below), whose sum is σ = 31085755259328. Its totient is φ = 2960519187840.

The previous prime is 11102001202013. The next prime is 11102001202021. The reversal of 11102001202020 is 2020210020111.

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

It is a junction number, because it is equal to n+sod(n) for n = 11102001201987 and 11102001202005.

It is not an unprimeable number, because it can be changed into a prime (11102001202021) 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 15 ways as a sum of consecutive naturals, for example, 18486675 + ... + 19077765.

It is an arithmetic number, because the mean of its divisors is an integer number (647619901236).

Almost surely, 2^{11102001202020} is an apocalyptic number.

11102001202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102001202020 is an abundant number, since it is smaller than the sum of its proper divisors (19983754057308).

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

11102001202020 is a wasteful number, since it uses less digits than its factorization.

11102001202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904140 (or 904138 counting only the distinct ones).

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

Adding to 11102001202020 its reverse (2020210020111), we get a palindrome (13122211222131).

The spelling of 11102001202020 in words is "eleven trillion, one hundred two billion, one million, two hundred two thousand, twenty".