2221002220012 has 12 divisors (see below), whose sum is σ = 3900785489440. Its totient is φ = 1106492080176.

The previous prime is 2221002220009. The next prime is 2221002220013. The reversal of 2221002220012 is 2100222001222.

It is a super-2 number, since 2×2221002220012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221002220013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002256212 + ... + 1002258427.

Almost surely, 2^{2221002220012} is an apocalyptic number.

It is an amenable number.

2221002220012 is a deficient number, since it is larger than the sum of its proper divisors (1679783269428).

2221002220012 is a wasteful number, since it uses less digits than its factorization.

2221002220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004514920 (or 2004514918 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2221002220012 its reverse (2100222001222), we get a palindrome (4321224221234).

It can be divided in two parts, 22 and 21002220012, that multiplied together give a palindrome (462048840264).

The spelling of 2221002220012 in words is "two trillion, two hundred twenty-one billion, two million, two hundred twenty thousand, twelve".