221110012220222 has 16 divisors (see below), whose sum is σ = 342852283522944. Its totient is φ = 106836092580000.

The previous prime is 221110012220213. The next prime is 221110012220297. The reversal of 221110012220222 is 222022210011122.

It is a junction number, because it is equal to n+sod(n) for n = 221110012220194 and 221110012220203.

It is a congruent number.

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, 2543673029 + ... + 2543759952.

It is an arithmetic number, because the mean of its divisors is an integer number (21428267720184).

Almost surely, 2^{221110012220222} is an apocalyptic number.

221110012220222 is a deficient number, since it is larger than the sum of its proper divisors (121742271302722).

221110012220222 is a wasteful number, since it uses less digits than its factorization.

221110012220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087433715.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221110012220222 its reverse (222022210011122), we get a palindrome (443132222231344).

The spelling of 221110012220222 in words is "two hundred twenty-one trillion, one hundred ten billion, twelve million, two hundred twenty thousand, two hundred twenty-two".