211320112200 has 96 divisors (see below), whose sum is σ = 669030572160. Its totient is φ = 55153043200.

The previous prime is 211320112183. The next prime is 211320112217. The reversal of 211320112200 is 2211023112.

It is an interprime number because it is at equal distance from previous prime (211320112183) and next prime (211320112217).

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 211320112200.

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, 3718611 + ... + 3775010.

It is an arithmetic number, because the mean of its divisors is an integer number (6969068460).

Almost surely, 2^211320112200 is an apocalyptic number.

211320112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211320112200 is an abundant number, since it is smaller than the sum of its proper divisors (457710459960).

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

211320112200 is a wasteful number, since it uses less digits than its factorization.

211320112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7493687 (or 7493678 counting only the distinct ones).

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

Adding to 211320112200 its reverse (2211023112), we get a palindrome (213531135312).

The spelling of 211320112200 in words is "two hundred eleven billion, three hundred twenty million, one hundred twelve thousand, two hundred".