221200222200112 has 20 divisors (see below), whose sum is σ = 428575847883480. Its totient is φ = 110600003391488.

The previous prime is 221200222200091. The next prime is 221200222200137. The reversal of 221200222200112 is 211002222002122.

It is a self number, because there is not a number n which added to its sum of digits gives 221200222200112.

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, 11748528 + ... + 24092080.

It is an arithmetic number, because the mean of its divisors is an integer number (21428792394174).

Almost surely, 2^{221200222200112} is an apocalyptic number.

It is an amenable number.

221200222200112 is a deficient number, since it is larger than the sum of its proper divisors (207375625683368).

221200222200112 is a wasteful number, since it uses less digits than its factorization.

221200222200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13463580 (or 13463574 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221200222200112 its reverse (211002222002122), we get a palindrome (432202444202234).

The spelling of 221200222200112 in words is "two hundred twenty-one trillion, two hundred billion, two hundred twenty-two million, two hundred thousand, one hundred twelve".