221102221202102 has 16 divisors (see below), whose sum is σ = 333422330717520. Its totient is φ = 109963002200448.

The previous prime is 221102221202099. The next prime is 221102221202189. The reversal of 221102221202102 is 201202122201122.

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, 389191823 + ... + 389759514.

It is an arithmetic number, because the mean of its divisors is an integer number (20838895669845).

Almost surely, 2^{221102221202102} is an apocalyptic number.

221102221202102 is a deficient number, since it is larger than the sum of its proper divisors (112320109515418).

221102221202102 is a wasteful number, since it uses less digits than its factorization.

221102221202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778952095.

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

Adding to 221102221202102 its reverse (201202122201122), we get a palindrome (422304343403224).

The spelling of 221102221202102 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred twenty-one million, two hundred two thousand, one hundred two".