111210022222 has 16 divisors (see below), whose sum is σ = 179666911872. Its totient is φ = 51322001760.

The previous prime is 111210022199. The next prime is 111210022223. The reversal of 111210022222 is 222220012111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111210022196 and 111210022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210022223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5763 + ... + 471649.

It is an arithmetic number, because the mean of its divisors is an integer number (11229181992).

Almost surely, 2^111210022222 is an apocalyptic number.

111210022222 is a deficient number, since it is larger than the sum of its proper divisors (68456889650).

111210022222 is a wasteful number, since it uses less digits than its factorization.

111210022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475083.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111210022222 its reverse (222220012111), we get a palindrome (333430034333).

The spelling of 111210022222 in words is "one hundred eleven billion, two hundred ten million, twenty-two thousand, two hundred twenty-two".