221022222102102 has 16 divisors (see below), whose sum is σ = 442046717079552. Its totient is φ = 73673695221480.

The previous prime is 221022222102067. The next prime is 221022222102113. The reversal of 221022222102102 is 201201222220122.

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, 93437674 + ... + 95773917.

It is an arithmetic number, because the mean of its divisors is an integer number (27627919817472).

Almost surely, 2^{221022222102102} is an apocalyptic number.

221022222102102 is an abundant number, since it is smaller than the sum of its proper divisors (221024494977450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221022222102102 is a wasteful number, since it uses less digits than its factorization.

221022222102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189406283.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 221022222102102 its reverse (201201222220122), we get a palindrome (422223444322224).

The spelling of 221022222102102 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred twenty-two million, one hundred two thousand, one hundred two".