210022022221220 has 96 divisors (see below), whose sum is σ = 496816295980032. Its totient is φ = 73885089600000.

The previous prime is 210022022221177. The next prime is 210022022221303. The reversal of 210022022221220 is 22122220220012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 210022022221192 and 210022022221201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17186870 + ... + 26747570.

It is an arithmetic number, because the mean of its divisors is an integer number (5175169749792).

Almost surely, 2^{210022022221220} is an apocalyptic number.

210022022221220 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 210022022221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248408147990016).

210022022221220 is an abundant number, since it is smaller than the sum of its proper divisors (286794273758812).

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

210022022221220 is a wasteful number, since it uses less digits than its factorization.

210022022221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563973 (or 9563971 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 210022022221220 its reverse (22122220220012), we get a palindrome (232144242441232).

The spelling of 210022022221220 in words is "two hundred ten trillion, twenty-two billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty".