211031020200 has 768 divisors, whose sum is σ = 924640819200. Its totient is φ = 38345011200.

The previous prime is 211031020183. The next prime is 211031020247. The reversal of 211031020200 is 2020130112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11402154 + ... + 11420646.

It is an arithmetic number, because the mean of its divisors is an integer number (1203959400).

Almost surely, 2^211031020200 is an apocalyptic number.

211031020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211031020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462320409600).

211031020200 is an abundant number, since it is smaller than the sum of its proper divisors (713609799000).

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

211031020200 is a wasteful number, since it uses less digits than its factorization.

211031020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18562 (or 18553 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 211031020200 its reverse (2020130112), we get a palindrome (213051150312).

The spelling of 211031020200 in words is "two hundred eleven billion, thirty-one million, twenty thousand, two hundred".