221120110221222 has 16 divisors (see below), whose sum is σ = 443680742336832. Its totient is φ = 73466616424680.

The previous prime is 221120110221217. The next prime is 221120110221239. The reversal of 221120110221222 is 222122011021122.

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, 60021743604 + ... + 60021747287.

It is an arithmetic number, because the mean of its divisors is an integer number (27730046396052).

Almost surely, 2^{221120110221222} is an apocalyptic number.

221120110221222 is an abundant number, since it is smaller than the sum of its proper divisors (222560632115610).

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

221120110221222 is a wasteful number, since it uses less digits than its factorization.

221120110221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120043491203.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 221120110221222 its reverse (222122011021122), we get a palindrome (443242121242344).

The spelling of 221120110221222 in words is "two hundred twenty-one trillion, one hundred twenty billion, one hundred ten million, two hundred twenty-one thousand, two hundred twenty-two".