211103212200 has 96 divisors (see below), whose sum is σ = 654815633760. Its totient is φ = 56260153600.

The previous prime is 211103212181. The next prime is 211103212261. The reversal of 211103212200 is 2212301112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211103212200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 894670 + ... + 1105730.

It is an arithmetic number, because the mean of its divisors is an integer number (6820996185).

Almost surely, 2^211103212200 is an apocalyptic number.

211103212200 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 211103212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327407816880).

211103212200 is an abundant number, since it is smaller than the sum of its proper divisors (443712421560).

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

211103212200 is a wasteful number, since it uses less digits than its factorization.

211103212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212747 (or 212738 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 211103212200 its reverse (2212301112), we get a palindrome (213315513312).

The spelling of 211103212200 in words is "two hundred eleven billion, one hundred three million, two hundred twelve thousand, two hundred".