210120222110200 has 96 divisors (see below), whose sum is σ = 490681848816000. Its totient is φ = 83678551689600.

The previous prime is 210120222110131. The next prime is 210120222110203. The reversal of 210120222110200 is 2011222021012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210120222110203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42080335 + ... + 46808065.

It is an arithmetic number, because the mean of its divisors is an integer number (5111269258500).

Almost surely, 2^{210120222110200} is an apocalyptic number.

210120222110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210120222110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245340924408000).

210120222110200 is an abundant number, since it is smaller than the sum of its proper divisors (280561626705800).

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

210120222110200 is a wasteful number, since it uses less digits than its factorization.

210120222110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728725 (or 4728716 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210120222110200 its reverse (2011222021012), we get a palindrome (212131444131212).

The spelling of 210120222110200 in words is "two hundred ten trillion, one hundred twenty billion, two hundred twenty-two million, one hundred ten thousand, two hundred".