220221130112 has 64 divisors (see below), whose sum is σ = 457923663360. Its totient is φ = 105293928960.

The previous prime is 220221130079. The next prime is 220221130123. The reversal of 220221130112 is 211031122022.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×220221130112² (a number of 23 digits) contains 22 as substring.

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, 13660937 + ... + 13677047.

It is an arithmetic number, because the mean of its divisors is an integer number (7155057240).

Almost surely, 2^220221130112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220221130112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228961831680).

220221130112 is an abundant number, since it is smaller than the sum of its proper divisors (237702533248).

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

220221130112 is a wasteful number, since it uses less digits than its factorization.

220221130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20791 (or 20779 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220221130112 its reverse (211031122022), we get a palindrome (431252252134).

The spelling of 220221130112 in words is "two hundred twenty billion, two hundred twenty-one million, one hundred thirty thousand, one hundred twelve".