221222101112202 has 16 divisors (see below), whose sum is σ = 468470331767232. Its totient is φ = 69403012113600.

The previous prime is 221222101112197. The next prime is 221222101112227. The reversal of 221222101112202 is 202211101222122.

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, 1084422064174 + ... + 1084422064377.

It is an arithmetic number, because the mean of its divisors is an integer number (29279395735452).

Almost surely, 2^{221222101112202} is an apocalyptic number.

221222101112202 is an abundant number, since it is smaller than the sum of its proper divisors (247248230655030).

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

221222101112202 is a wasteful number, since it uses less digits than its factorization.

221222101112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168844128573.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 221222101112202 its reverse (202211101222122), we get a palindrome (423433202334324).

The spelling of 221222101112202 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, one hundred one million, one hundred twelve thousand, two hundred two".