1220000221112 has 16 divisors (see below), whose sum is σ = 2303957254200. Its totient is φ = 605611620000.

The previous prime is 1220000221087. The next prime is 1220000221129. The reversal of 1220000221112 is 2111220000221.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 548560139 + ... + 548562362.

Almost surely, 2^{1220000221112} is an apocalyptic number.

It is an amenable number.

1220000221112 is a deficient number, since it is larger than the sum of its proper divisors (1083957033088).

1220000221112 is a wasteful number, since it uses less digits than its factorization.

1220000221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097122646 (or 1097122642 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220000221112 its reverse (2111220000221), we get a palindrome (3331220221333).

The spelling of 1220000221112 in words is "one trillion, two hundred twenty billion, two hundred twenty-one thousand, one hundred twelve".