221020110120222 has 96 divisors (see below), whose sum is σ = 548040623569920. Its totient is φ = 63061756632000.

The previous prime is 221020110120203. The next prime is 221020110120253. The reversal of 221020110120222 is 222021011020122.

It is a happy number.

221020110120222 is a `hidden beast` number, since 2 + 210 + 2 + 0 + 110 + 120 + 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 = 221020110120195 and 221020110120204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3261629713 + ... + 3261697475.

It is an arithmetic number, because the mean of its divisors is an integer number (5708756495520).

Almost surely, 2^{221020110120222} is an apocalyptic number.

221020110120222 is an abundant number, since it is smaller than the sum of its proper divisors (327020513449698).

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

221020110120222 is a wasteful number, since it uses less digits than its factorization.

221020110120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102998 (or 102995 counting only the distinct ones).

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

Adding to 221020110120222 its reverse (222021011020122), we get a palindrome (443041121140344).

The spelling of 221020110120222 in words is "two hundred twenty-one trillion, twenty billion, one hundred ten million, one hundred twenty thousand, two hundred twenty-two".