111222102212202 has 32 divisors (see below), whose sum is σ = 229400564175360. Its totient is φ = 35932341440240.

The previous prime is 111222102212197. The next prime is 111222102212203. The reversal of 111222102212202 is 202212201222111.

It is not an unprimeable number, because it can be changed into a prime (111222102212203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2212557468 + ... + 2212607735.

It is an arithmetic number, because the mean of its divisors is an integer number (7168767630480).

Almost surely, 2^{111222102212202} is an apocalyptic number.

111222102212202 is an abundant number, since it is smaller than the sum of its proper divisors (118178461963158).

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

111222102212202 is a wasteful number, since it uses less digits than its factorization.

111222102212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425165338.

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

Adding to 111222102212202 its reverse (202212201222111), we get a palindrome (313434303434313).

Subtracting 111222102212202 from its reverse (202212201222111), we obtain a palindrome (90990099009909).

The spelling of 111222102212202 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred two million, two hundred twelve thousand, two hundred two".