2221301220112 has 40 divisors (see below), whose sum is σ = 4655069964440. Its totient is φ = 1020739000320.

The previous prime is 2221301220071. The next prime is 2221301220133. The reversal of 2221301220112 is 2110221031222.

It can be written as a sum of positive squares in 4 ways, for example, as 706668884496 + 1514632335616 = 840636^2 + 1230704^2 .

It is a super-2 number, since 2×2221301220112² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2221301220112.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23269689 + ... + 23364952.

It is an arithmetic number, because the mean of its divisors is an integer number (116376749111).

Almost surely, 2^{2221301220112} is an apocalyptic number.

It is an amenable number.

2221301220112 is an abundant number, since it is smaller than the sum of its proper divisors (2433768744328).

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

2221301220112 is a wasteful number, since it uses less digits than its factorization.

2221301220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46634891 (or 46634885 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2221301220112 its reverse (2110221031222), we get a palindrome (4331522251334).

The spelling of 2221301220112 in words is "two trillion, two hundred twenty-one billion, three hundred one million, two hundred twenty thousand, one hundred twelve".