211100112200 has 24 divisors (see below), whose sum is σ = 490807761330. Its totient is φ = 84440044800.

The previous prime is 211100112137. The next prime is 211100112217. The reversal of 211100112200 is 2211001112.

It can be written as a sum of positive squares in 3 ways, for example, as 118034847844 + 93065264356 = 343562^2 + 305066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 527750081 + ... + 527750480.

Almost surely, 2^211100112200 is an apocalyptic number.

211100112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211100112200 is an abundant number, since it is smaller than the sum of its proper divisors (279707649130).

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

211100112200 is a wasteful number, since it uses less digits than its factorization.

211100112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055500577 (or 1055500568 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211100112200 its reverse (2211001112), we get a palindrome (213311113312).

The spelling of 211100112200 in words is "two hundred eleven billion, one hundred million, one hundred twelve thousand, two hundred".