221120110230222 has 16 divisors (see below), whose sum is σ = 505417394812032. Its totient is φ = 63177174351480.

The previous prime is 221120110230137. The next prime is 221120110230241. The reversal of 221120110230222 is 222032011021122.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2632382264604 + ... + 2632382264687.

It is an arithmetic number, because the mean of its divisors is an integer number (31588587175752).

Almost surely, 2^{221120110230222} is an apocalyptic number.

221120110230222 is an abundant number, since it is smaller than the sum of its proper divisors (284297284581810).

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

221120110230222 is a wasteful number, since it uses less digits than its factorization.

221120110230222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264764529303.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 221120110230222 its reverse (222032011021122), we get a palindrome (443152121251344).

The spelling of 221120110230222 in words is "two hundred twenty-one trillion, one hundred twenty billion, one hundred ten million, two hundred thirty thousand, two hundred twenty-two".