111012220222 has 8 divisors (see below), whose sum is σ = 171889889472. Its totient is φ = 53715590400.

The previous prime is 111012220171. The next prime is 111012220261. The reversal of 111012220222 is 222022210111.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 111012220196 and 111012220205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895259779 + ... + 895259902.

It is an arithmetic number, because the mean of its divisors is an integer number (21486236184).

Almost surely, 2^111012220222 is an apocalyptic number.

111012220222 is a deficient number, since it is larger than the sum of its proper divisors (60877669250).

111012220222 is a wasteful number, since it uses less digits than its factorization.

111012220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790519714.

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

Adding to 111012220222 its reverse (222022210111), we get a palindrome (333034430333).

The spelling of 111012220222 in words is "one hundred eleven billion, twelve million, two hundred twenty thousand, two hundred twenty-two".