210210221222200 has 192 divisors, whose sum is σ = 519631366464000. Its totient is φ = 78861418352640.

The previous prime is 210210221222167. The next prime is 210210221222213. The reversal of 210210221222200 is 2222122012012.

210210221222200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185890897 + ... + 187018303.

It is an arithmetic number, because the mean of its divisors is an integer number (2706413367000).

Almost surely, 2^{210210221222200} is an apocalyptic number.

210210221222200 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 210210221222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259815683232000).

210210221222200 is an abundant number, since it is smaller than the sum of its proper divisors (309421145241800).

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

210210221222200 is a wasteful number, since it uses less digits than its factorization.

210210221222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127934 (or 1127925 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 210210221222200 its reverse (2222122012012), we get a palindrome (212432343234212).

The spelling of 210210221222200 in words is "two hundred ten trillion, two hundred ten billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred".