2111102200 has 48 divisors (see below), whose sum is σ = 5022479880. Its totient is φ = 824799360.

The previous prime is 2111102197. The next prime is 2111102209. The reversal of 2111102200 is 22011112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111102209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114139 + ... + 131338.

Almost surely, 2^2111102200 is an apocalyptic number.

2111102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111102200 is an abundant number, since it is smaller than the sum of its proper divisors (2911377680).

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

2111102200 is a wasteful number, since it uses less digits than its factorization.

2111102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245536 (or 245527 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2111102200 is about 45946.7322015396. The cubic root of 2111102200 is about 1282.8319054535.

Adding to 2111102200 its reverse (22011112), we get a palindrome (2133113312).

The spelling of 2111102200 in words is "two billion, one hundred eleven million, one hundred two thousand, two hundred".