2221120110012 has 96 divisors (see below), whose sum is σ = 5309577907200. Its totient is φ = 722393717760.

The previous prime is 2221120109993. The next prime is 2221120110019. The reversal of 2221120110012 is 2100110211222.

It is a junction number, because it is equal to n+sod(n) for n = 2221120109973 and 2221120110000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221120110019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395003433 + ... + 395009055.

It is an arithmetic number, because the mean of its divisors is an integer number (55308103200).

Almost surely, 2^{2221120110012} is an apocalyptic number.

It is an amenable number.

2221120110012 is an abundant number, since it is smaller than the sum of its proper divisors (3088457797188).

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

2221120110012 is a wasteful number, since it uses less digits than its factorization.

2221120110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9003 (or 9001 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2221120110012 its reverse (2100110211222), we get a palindrome (4321230321234).

The spelling of 2221120110012 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, one hundred ten thousand, twelve".