221102200011222 has 56 divisors (see below), whose sum is σ = 526502624486616. Its totient is φ = 69365396074176.

The previous prime is 221102200011221. The next prime is 221102200011241. The reversal of 221102200011222 is 222110002201122.

It is a happy number.

221102200011222 is a `hidden beast` number, since 2 + 211 + 0 + 220 + 0 + 0 + 11 + 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 = 221102200011195 and 221102200011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102200011221) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4460198728 + ... + 4460248299.

Almost surely, 2^{221102200011222} is an apocalyptic number.

221102200011222 is an abundant number, since it is smaller than the sum of its proper divisors (305400424475394).

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

221102200011222 is an equidigital number, since it uses as much as digits as its factorization.

221102200011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8920447064 (or 8920447049 counting only the distinct ones).

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

Adding to 221102200011222 its reverse (222110002201122), we get a palindrome (443212202212344).

The spelling of 221102200011222 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred million, eleven thousand, two hundred twenty-two".