2212221210112 has 80 divisors (see below), whose sum is σ = 4482443908800. Its totient is φ = 1090554716160.

The previous prime is 2212221210107. The next prime is 2212221210113. The reversal of 2212221210112 is 2110121222122.

It is a self number, because there is not a number n which added to its sum of digits gives 2212221210112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212221210113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28639062 + ... + 28716202.

It is an arithmetic number, because the mean of its divisors is an integer number (56030548860).

Almost surely, 2^{2212221210112} 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 2212221210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2241221954400).

2212221210112 is an abundant number, since it is smaller than the sum of its proper divisors (2270222698688).

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

2212221210112 is an frugal number, since it uses more digits than its factorization.

2212221210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77947 (or 77931 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2212221210112 its reverse (2110121222122), we get a palindrome (4322342432234).

The spelling of 2212221210112 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, two hundred ten thousand, one hundred twelve".