221102000222 has 16 divisors (see below), whose sum is σ = 333896547600. Its totient is φ = 109805456640.

The previous prime is 221102000173. The next prime is 221102000387. The reversal of 221102000222 is 222000201122.

It is a junction number, because it is equal to n+sod(n) for n = 221102000197 and 221102000206.

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, 384179 + ... + 767982.

It is an arithmetic number, because the mean of its divisors is an integer number (20868534225).

Almost surely, 2^221102000222 is an apocalyptic number.

221102000222 is a deficient number, since it is larger than the sum of its proper divisors (112794547378).

221102000222 is a wasteful number, since it uses less digits than its factorization.

221102000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152811.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221102000222 its reverse (222000201122), we get a palindrome (443102201344).

Subtracting 221102000222 from its reverse (222000201122), we obtain a square (898200900 = 29970²).

The spelling of 221102000222 in words is "two hundred twenty-one billion, one hundred two million, two hundred twenty-two", and thus it is an aban number.