221010202222222 has 16 divisors (see below), whose sum is σ = 379960233055200. Its totient is φ = 94447257926688.

The previous prime is 221010202222129. The next prime is 221010202222247. The reversal of 221010202222222 is 222222202010122.

It is a junction number, because it is equal to n+sod(n) for n = 221010202222193 and 221010202222202.

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, 22616675653 + ... + 22616685424.

It is an arithmetic number, because the mean of its divisors is an integer number (23747514565950).

Almost surely, 2^{221010202222222} is an apocalyptic number.

221010202222222 is a deficient number, since it is larger than the sum of its proper divisors (158950030832978).

221010202222222 is a wasteful number, since it uses less digits than its factorization.

221010202222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45233361435.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 221010202222222 its reverse (222222202010122), we get a palindrome (443232404232344).

The spelling of 221010202222222 in words is "two hundred twenty-one trillion, ten billion, two hundred two million, two hundred twenty-two thousand, two hundred twenty-two".