201100200011020 has 24 divisors (see below), whose sum is σ = 447152209437024. Its totient is φ = 75708310592256.

The previous prime is 201100200011017. The next prime is 201100200011021. The reversal of 201100200011020 is 20110002001102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 201100200010988 and 201100200011006.

It is not an unprimeable number, because it can be changed into a prime (201100200011021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295735587912 + ... + 295735588591.

It is an arithmetic number, because the mean of its divisors is an integer number (18631342059876).

Almost surely, 2^{201100200011020} is an apocalyptic number.

201100200011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201100200011020 is an abundant number, since it is smaller than the sum of its proper divisors (246052009426004).

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

201100200011020 is a wasteful number, since it uses less digits than its factorization.

201100200011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591471176529 (or 591471176527 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201100200011020 its reverse (20110002001102), we get a palindrome (221210202012122).

The spelling of 201100200011020 in words is "two hundred one trillion, one hundred billion, two hundred million, eleven thousand, twenty".