221102221331122 has 16 divisors (see below), whose sum is σ = 338020559585280. Its totient is φ = 108448262844768.

The previous prime is 221102221331119. The next prime is 221102221331197. The reversal of 221102221331122 is 221133122201122.

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, 4890321138 + ... + 4890366349.

It is an arithmetic number, because the mean of its divisors is an integer number (21126284974080).

Almost surely, 2^{221102221331122} is an apocalyptic number.

221102221331122 is a deficient number, since it is larger than the sum of its proper divisors (116918338254158).

221102221331122 is a wasteful number, since it uses less digits than its factorization.

221102221331122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9780687705.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 221102221331122 its reverse (221133122201122), we get a palindrome (442235343532244).

The spelling of 221102221331122 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred twenty-one million, three hundred thirty-one thousand, one hundred twenty-two".