2102210222200 has 72 divisors (see below), whose sum is σ = 5372363334240. Its totient is φ = 764440072000.

The previous prime is 2102210222171. The next prime is 2102210222201. The reversal of 2102210222200 is 22220122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102210222201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 43409896 + ... + 43458295.

It is an arithmetic number, because the mean of its divisors is an integer number (74616157420).

Almost surely, 2^{2102210222200} is an apocalyptic number.

2102210222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102210222200 is an abundant number, since it is smaller than the sum of its proper divisors (3270153112040).

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

2102210222200 is a wasteful number, since it uses less digits than its factorization.

2102210222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86868229 (or 86868209 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2102210222200 its reverse (22220122012), we get a palindrome (2124430344212).

The spelling of 2102210222200 in words is "two trillion, one hundred two billion, two hundred ten million, two hundred twenty-two thousand, two hundred".