211231100200 has 48 divisors (see below), whose sum is σ = 491273244000. Its totient is φ = 84464752320.

The previous prime is 211231100149. The next prime is 211231100207. The reversal of 211231100200 is 2001132112.

It is not an unprimeable number, because it can be changed into a prime (211231100207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444291 + ... + 787309.

It is an arithmetic number, because the mean of its divisors is an integer number (10234859250).

Almost surely, 2^211231100200 is an apocalyptic number.

211231100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211231100200 is an abundant number, since it is smaller than the sum of its proper divisors (280042143800).

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

211231100200 is a wasteful number, since it uses less digits than its factorization.

211231100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346114 (or 346105 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 211231100200 its reverse (2001132112), we get a palindrome (213232232312).

The spelling of 211231100200 in words is "two hundred eleven billion, two hundred thirty-one million, one hundred thousand, two hundred".