2221210112 has 80 divisors (see below), whose sum is σ = 4857760512. Its totient is φ = 1006264320.

The previous prime is 2221210091. The next prime is 2221210127. The reversal of 2221210112 is 2110121222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2573393 + ... + 2574255.

Almost surely, 2^2221210112 is an apocalyptic number.

2221210112 is a gapful number since it is divisible by the number (22) 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 2221210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2428880256).

2221210112 is an abundant number, since it is smaller than the sum of its proper divisors (2636550400).

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

2221210112 is an equidigital number, since it uses as much as digits as its factorization.

2221210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1333 counting only the distinct ones).

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

The square root of 2221210112 is about 47129.7158064846. The cubic root of 2221210112 is about 1304.7577364271.

Adding to 2221210112 its reverse (2110121222), we get a palindrome (4331331334).

The spelling of 2221210112 in words is "two billion, two hundred twenty-one million, two hundred ten thousand, one hundred twelve".