2221200021112 has 64 divisors (see below), whose sum is σ = 4245966410400. Its totient is φ = 1089155358720.

The previous prime is 2221200021091. The next prime is 2221200021127. The reversal of 2221200021112 is 2111200021222.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 212002018 + ... + 212012494.

Almost surely, 2^{2221200021112} is an apocalyptic number.

It is an amenable number.

2221200021112 is a deficient number, since it is larger than the sum of its proper divisors (2024766389288).

2221200021112 is a wasteful number, since it uses less digits than its factorization.

2221200021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12976 (or 12972 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221200021112 its reverse (2111200021222), we get a palindrome (4332400042334).

The spelling of 2221200021112 in words is "two trillion, two hundred twenty-one billion, two hundred million, twenty-one thousand, one hundred twelve".