221200011202222 has 16 divisors (see below), whose sum is σ = 357473167817472. Its totient is φ = 102049434920160.

The previous prime is 221200011202213. The next prime is 221200011202241. The reversal of 221200011202222 is 222202110002122.

It is a self number, because there is not a number n which added to its sum of digits gives 221200011202222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786517838 + ... + 1786641649.

It is an arithmetic number, because the mean of its divisors is an integer number (22342072988592).

Almost surely, 2^{221200011202222} is an apocalyptic number.

221200011202222 is a deficient number, since it is larger than the sum of its proper divisors (136273156615250).

221200011202222 is a wasteful number, since it uses less digits than its factorization.

221200011202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3573161883.

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

Adding to 221200011202222 its reverse (222202110002122), we get a palindrome (443402121204344).

The spelling of 221200011202222 in words is "two hundred twenty-one trillion, two hundred billion, eleven million, two hundred two thousand, two hundred twenty-two".