111221102222 has 8 divisors (see below), whose sum is σ = 166836774576. Its totient is φ = 55608844032.

The previous prime is 111221102219. The next prime is 111221102227. The reversal of 111221102222 is 222201122111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111221102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221102227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770483 + ... + 903374.

It is an arithmetic number, because the mean of its divisors is an integer number (20854596822).

Almost surely, 2^111221102222 is an apocalyptic number.

111221102222 is a deficient number, since it is larger than the sum of its proper divisors (55615672354).

111221102222 is a wasteful number, since it uses less digits than its factorization.

111221102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707082.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111221102222 its reverse (222201122111), we get a palindrome (333422224333).

The spelling of 111221102222 in words is "one hundred eleven billion, two hundred twenty-one million, one hundred two thousand, two hundred twenty-two".