221110111022222 has 32 divisors (see below), whose sum is σ = 335281514911200. Its totient is φ = 109351824624000.

The previous prime is 221110111022111. The next prime is 221110111022249. The reversal of 221110111022222 is 222220111011122.

It is a junction number, because it is equal to n+sod(n) for n = 221110111022194 and 221110111022203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001244197 + ... + 1001465007.

It is an arithmetic number, because the mean of its divisors is an integer number (10477547340975).

Almost surely, 2^{221110111022222} is an apocalyptic number.

221110111022222 is a deficient number, since it is larger than the sum of its proper divisors (114171403888978).

221110111022222 is a wasteful number, since it uses less digits than its factorization.

221110111022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225812.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 221110111022222 its reverse (222220111011122), we get a palindrome (443330222033344).

The spelling of 221110111022222 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred eleven million, twenty-two thousand, two hundred twenty-two".