221110210012222 has 8 divisors (see below), whose sum is σ = 331822427916672. Its totient is φ = 110502734040000.

The previous prime is 221110210012199. The next prime is 221110210012243. The reversal of 221110210012222 is 222210012011122.

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 221110210012222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26185477779 + ... + 26185486222.

It is an arithmetic number, because the mean of its divisors is an integer number (41477803489584).

Almost surely, 2^{221110210012222} is an apocalyptic number.

221110210012222 is a deficient number, since it is larger than the sum of its proper divisors (110712217904450).

221110210012222 is a wasteful number, since it uses less digits than its factorization.

221110210012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52370966114.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221110210012222 its reverse (222210012011122), we get a palindrome (443320222023344).

The spelling of 221110210012222 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred ten million, twelve thousand, two hundred twenty-two".