220112102221 has 32 divisors (see below), whose sum is σ = 244900454400. Its totient is φ = 196157162880.

The previous prime is 220112102201. The next prime is 220112102261. The reversal of 220112102221 is 122201211022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220112102221 - 2⁹ = 220112101709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220112102195 and 220112102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112102201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161017680 + ... + 161019046.

It is an arithmetic number, because the mean of its divisors is an integer number (7653139200).

Almost surely, 2^220112102221 is an apocalyptic number.

It is an amenable number.

220112102221 is a deficient number, since it is larger than the sum of its proper divisors (24788352179).

220112102221 is a wasteful number, since it uses less digits than its factorization.

220112102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220112102221 its reverse (122201211022), we get a palindrome (342313313243).

The spelling of 220112102221 in words is "two hundred twenty billion, one hundred twelve million, one hundred two thousand, two hundred twenty-one".