210220000212222 has 512 divisors, whose sum is σ = 642432971980800. Its totient is φ = 49194524966400.

The previous prime is 210220000212163. The next prime is 210220000212247. The reversal of 210220000212222 is 222212000022012.

210220000212222 is a `hidden beast` number, since 2 + 10 + 220 + 0 + 0 + 0 + 212 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210220000212195 and 210220000212204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 394490097 + ... + 395022627.

It is an arithmetic number, because the mean of its divisors is an integer number (1254751898400).

Almost surely, 2^{210220000212222} is an apocalyptic number.

210220000212222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 210220000212222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321216485990400).

210220000212222 is an abundant number, since it is smaller than the sum of its proper divisors (432212971768578).

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

210220000212222 is a wasteful number, since it uses less digits than its factorization.

210220000212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532749 (or 532743 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 210220000212222 its reverse (222212000022012), we get a palindrome (432432000234234).

The spelling of 210220000212222 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twelve thousand, two hundred twenty-two".