211232120200 has 48 divisors (see below), whose sum is σ = 491524159860. Its totient is φ = 84422400000.

The previous prime is 211232120167. The next prime is 211232120243. The reversal of 211232120200 is 2021232112.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 29495314564 + 181736805636 = 171742^2 + 426306^2 .

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, 199501 + ... + 679900.

Almost surely, 2^211232120200 is an apocalyptic number.

211232120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211232120200 is an abundant number, since it is smaller than the sum of its proper divisors (280292039660).

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

211232120200 is a wasteful number, since it uses less digits than its factorization.

211232120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880618 (or 880609 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 211232120200 its reverse (2021232112), we get a palindrome (213253352312).

The spelling of 211232120200 in words is "two hundred eleven billion, two hundred thirty-two million, one hundred twenty thousand, two hundred".