222211001120 has 96 divisors (see below), whose sum is σ = 556069773168. Its totient is φ = 83623477248.

The previous prime is 222211001119. The next prime is 222211001167. The reversal of 222211001120 is 21100112222.

It can be written as a sum of positive squares in 8 ways, for example, as 131371452304 + 90839548816 = 362452^2 + 301396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222211001095 and 222211001104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7691342 + ... + 7720178.

Almost surely, 2^222211001120 is an apocalyptic number.

222211001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222211001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278034886584).

222211001120 is an abundant number, since it is smaller than the sum of its proper divisors (333858772048).

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

222211001120 is a wasteful number, since it uses less digits than its factorization.

222211001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31702 (or 31694 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222211001120 its reverse (21100112222), we get a palindrome (243311113342).

The spelling of 222211001120 in words is "two hundred twenty-two billion, two hundred eleven million, one thousand, one hundred twenty".