221222130103144 has 16 divisors (see below), whose sum is σ = 414924482606400. Its totient is φ = 110575601408112.

The previous prime is 221222130103061. The next prime is 221222130103199. The reversal of 221222130103144 is 441301031222122.

221222130103144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4432928922 + ... + 4432978825.

It is an arithmetic number, because the mean of its divisors is an integer number (25932780162900).

Almost surely, 2^{221222130103144} is an apocalyptic number.

It is an amenable number.

221222130103144 is a deficient number, since it is larger than the sum of its proper divisors (193702352503256).

221222130103144 is a wasteful number, since it uses less digits than its factorization.

221222130103144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8865910872 (or 8865910868 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 221222130103144 its reverse (441301031222122), we get a palindrome (662523161325266).

The spelling of 221222130103144 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, one hundred thirty million, one hundred three thousand, one hundred forty-four".