221022122011222 has 64 divisors (see below), whose sum is σ = 379705618575360. Its totient is φ = 94521440743200.

The previous prime is 221022122011151. The next prime is 221022122011241. The reversal of 221022122011222 is 222110221220122.

It is a junction number, because it is equal to n+sod(n) for n = 221022122011193 and 221022122011202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66353082097 + ... + 66353085427.

It is an arithmetic number, because the mean of its divisors is an integer number (5932900290240).

Almost surely, 2^{221022122011222} is an apocalyptic number.

221022122011222 is a deficient number, since it is larger than the sum of its proper divisors (158683496564138).

221022122011222 is a wasteful number, since it uses less digits than its factorization.

221022122011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537.

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

Adding to 221022122011222 its reverse (222110221220122), we get a palindrome (443132343231344).

The spelling of 221022122011222 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred twenty-two million, eleven thousand, two hundred twenty-two".