22110200212221 has 48 divisors (see below), whose sum is σ = 35412896608128. Its totient is φ = 13179915561600.

The previous prime is 22110200212193. The next prime is 22110200212237. The reversal of 22110200212221 is 12221200201122.

It is a happy number.

22110200212221 is a `hidden beast` number, since 2 + 21 + 10 + 200 + 212 + 221 = 666.

It is not a de Polignac number, because 22110200212221 - 2⁵ = 22110200212189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22110200212194 and 22110200212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110200212021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190273080 + ... + 190389246.

It is an arithmetic number, because the mean of its divisors is an integer number (737768679336).

Almost surely, 2^{22110200212221} is an apocalyptic number.

It is an amenable number.

22110200212221 is a deficient number, since it is larger than the sum of its proper divisors (13302696395907).

22110200212221 is a wasteful number, since it uses less digits than its factorization.

22110200212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147762 (or 147759 counting only the distinct ones).

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

Adding to 22110200212221 its reverse (12221200201122), we get a palindrome (34331400413343).

The spelling of 22110200212221 in words is "twenty-two trillion, one hundred ten billion, two hundred million, two hundred twelve thousand, two hundred twenty-one".