111111111202222 has 8 divisors (see below), whose sum is σ = 166759932990456. Its totient is φ = 55524466872072.

The previous prime is 111111111202163. The next prime is 111111111202297. The reversal of 111111111202222 is 222202111111111.

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 111111111202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15544360053 + ... + 15544367200.

It is an arithmetic number, because the mean of its divisors is an integer number (20844991623807).

Almost surely, 2^{111111111202222} is an apocalyptic number.

111111111202222 is a deficient number, since it is larger than the sum of its proper divisors (55648821788234).

111111111202222 is a wasteful number, since it uses less digits than its factorization.

111111111202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31088729042.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111111111202222 its reverse (222202111111111), we get a palindrome (333313222313333).

The spelling of 111111111202222 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred eleven million, two hundred two thousand, two hundred twenty-two".