221022101222122 has 16 divisors (see below), whose sum is σ = 334323200397312. Its totient is φ = 109581969586320.

The previous prime is 221022101222081. The next prime is 221022101222161. The reversal of 221022101222122 is 221222101220122.

221022101222122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221022101222093 and 221022101222102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233317138 + ... + 234262525.

It is an arithmetic number, because the mean of its divisors is an integer number (20895200024832).

Almost surely, 2^{221022101222122} is an apocalyptic number.

221022101222122 is a deficient number, since it is larger than the sum of its proper divisors (113301099175190).

221022101222122 is a wasteful number, since it uses less digits than its factorization.

221022101222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467581653.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 221022101222122 its reverse (221222101220122), we get a palindrome (442244202442244).

The spelling of 221022101222122 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-two".