211202220200200 has 24 divisors (see below), whose sum is σ = 491045161965930. Its totient is φ = 84480888080000.

The previous prime is 211202220200161. The next prime is 211202220200207. The reversal of 211202220200200 is 2002022202112.

It can be written as a sum of positive squares in 3 ways, for example, as 206970979428196 + 4231240772004 = 14386486^2 + 2056998^2 .

It is not an unprimeable number, because it can be changed into a prime (211202220200207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 528005550301 + ... + 528005550700.

Almost surely, 2^{211202220200200} is an apocalyptic number.

211202220200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211202220200200 is an abundant number, since it is smaller than the sum of its proper divisors (279842941765730).

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

211202220200200 is a wasteful number, since it uses less digits than its factorization.

211202220200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056011101017 (or 1056011101008 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 211202220200200 its reverse (2002022202112), we get a palindrome (213204242402312).

The spelling of 211202220200200 in words is "two hundred eleven trillion, two hundred two billion, two hundred twenty million, two hundred thousand, two hundred".