2110221200 has 30 divisors (see below), whose sum is σ = 5069807394. Its totient is φ = 844088320.

The previous prime is 2110221193. The next prime is 2110221209. The reversal of 2110221200 is 21220112.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 478384384 + 1631836816 = 21872^2 + 40396^2 .

It is not an unprimeable number, because it can be changed into a prime (2110221209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2637377 + ... + 2638176.

Almost surely, 2^2110221200 is an apocalyptic number.

2110221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110221200 is an abundant number, since it is smaller than the sum of its proper divisors (2959586194).

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

2110221200 is a wasteful number, since it uses less digits than its factorization.

2110221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275571 (or 5275560 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2110221200 is about 45937.1440122261. The cubic root of 2110221200 is about 1282.6534312014.

Adding to 2110221200 its reverse (21220112), we get a palindrome (2131441312).

The spelling of 2110221200 in words is "two billion, one hundred ten million, two hundred twenty-one thousand, two hundred".