221010110021222 has 8 divisors (see below), whose sum is σ = 345928867859376. Its totient is φ = 105700487401432.

The previous prime is 221010110021147. The next prime is 221010110021237. The reversal of 221010110021222 is 222120011010122.

221010110021222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221010110021222.

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, 2402283804533 + ... + 2402283804624.

It is an arithmetic number, because the mean of its divisors is an integer number (43241108482422).

Almost surely, 2^{221010110021222} is an apocalyptic number.

221010110021222 is a deficient number, since it is larger than the sum of its proper divisors (124918757838154).

221010110021222 is a wasteful number, since it uses less digits than its factorization.

221010110021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804567609182.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221010110021222 its reverse (222120011010122), we get a palindrome (443130121031344).

The spelling of 221010110021222 in words is "two hundred twenty-one trillion, ten billion, one hundred ten million, twenty-one thousand, two hundred twenty-two".