221210200011222 has 32 divisors (see below), whose sum is σ = 491600933683200. Its totient is φ = 73733326621704.

The previous prime is 221210200011217. The next prime is 221210200011253. The reversal of 221210200011222 is 222110002012122.

It is a happy number.

221210200011222 is a `hidden beast` number, since 2 + 21 + 210 + 200 + 0 + 11 + 222 = 666.

It is a super-3 number, since 3×221210200011222³ (a number of 44 digits) contains 333 as substring.

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 = 221210200011195 and 221210200011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93451222 + ... + 95789097.

It is an arithmetic number, because the mean of its divisors is an integer number (15362529177600).

Almost surely, 2^{221210200011222} is an apocalyptic number.

221210200011222 is an abundant number, since it is smaller than the sum of its proper divisors (270390733671978).

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

221210200011222 is a wasteful number, since it uses less digits than its factorization.

221210200011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189261977 (or 189261971 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221210200011222 its reverse (222110002012122), we get a palindrome (443320202023344).

The spelling of 221210200011222 in words is "two hundred twenty-one trillion, two hundred ten billion, two hundred million, eleven thousand, two hundred twenty-two".