2220221222112 has 192 divisors, whose sum is σ = 6074109506304. Its totient is φ = 709444915200.

The previous prime is 2220221222101. The next prime is 2220221222117. The reversal of 2220221222112 is 2112221220222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220221222117) 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, 272516023 + ... + 272524169.

It is an arithmetic number, because the mean of its divisors is an integer number (31635987012).

Almost surely, 2^{2220221222112} 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 2220221222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3037054753152).

2220221222112 is an abundant number, since it is smaller than the sum of its proper divisors (3853888284192).

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

2220221222112 is a wasteful number, since it uses less digits than its factorization.

2220221222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9321 (or 9313 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2220221222112 its reverse (2112221220222), we get a palindrome (4332442442334).

The spelling of 2220221222112 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred twelve".