221011112110222 has 8 divisors (see below), whose sum is σ = 378876192188976. Its totient is φ = 94719048047232.

The previous prime is 221011112110211. The next prime is 221011112110241. The reversal of 221011112110222 is 222011211110122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221011112110222.

It is a congruent number.

It is an unprimeable number.

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, 7893254003923 + ... + 7893254003950.

It is an arithmetic number, because the mean of its divisors is an integer number (47359524023622).

Almost surely, 2^{221011112110222} is an apocalyptic number.

221011112110222 is a deficient number, since it is larger than the sum of its proper divisors (157865080078754).

221011112110222 is a wasteful number, since it uses less digits than its factorization.

221011112110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15786508007882.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 221011112110222 its reverse (222011211110122), we get a palindrome (443022323220344).

The spelling of 221011112110222 in words is "two hundred twenty-one trillion, eleven billion, one hundred twelve million, one hundred ten thousand, two hundred twenty-two".