211120020200 has 48 divisors (see below), whose sum is σ = 490890223500. Its totient is φ = 84441784320.

The previous prime is 211120020187. The next prime is 211120020217. The reversal of 211120020200 is 2020021112.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 947285284 + 210172734916 = 30778^2 + 458446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3471656 + ... + 3531944.

Almost surely, 2^211120020200 is an apocalyptic number.

211120020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211120020200 is an abundant number, since it is smaller than the sum of its proper divisors (279770203300).

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

211120020200 is a wasteful number, since it uses less digits than its factorization.

211120020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77814 (or 77805 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 211120020200 its reverse (2020021112), we get a palindrome (213140041312).

The spelling of 211120020200 in words is "two hundred eleven billion, one hundred twenty million, twenty thousand, two hundred".