2211312200 has 24 divisors (see below), whose sum is σ = 5141301330. Its totient is φ = 884524800.

The previous prime is 2211312197. The next prime is 2211312217. The reversal of 2211312200 is 22131122.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2011881316 + 199430884 = 44854^2 + 14122^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5528081 + ... + 5528480.

Almost surely, 2^2211312200 is an apocalyptic number.

2211312200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211312200 is an abundant number, since it is smaller than the sum of its proper divisors (2929989130).

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

2211312200 is a wasteful number, since it uses less digits than its factorization.

2211312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056577 (or 11056568 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2211312200 is about 47024.5914389482. The cubic root of 2211312200 is about 1302.8168113193.

Adding to 2211312200 its reverse (22131122), we get a palindrome (2233443322).

The spelling of 2211312200 in words is "two billion, two hundred eleven million, three hundred twelve thousand, two hundred".