111012121112222 has 24 divisors (see below), whose sum is σ = 183341036683728. Its totient is φ = 50374962144320.

The previous prime is 111012121112213. The next prime is 111012121112237. The reversal of 111012121112222 is 222211121210111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111012121112194 and 111012121112203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386642138 + ... + 386929149.

It is an arithmetic number, because the mean of its divisors is an integer number (7639209861822).

Almost surely, 2^{111012121112222} is an apocalyptic number.

111012121112222 is a deficient number, since it is larger than the sum of its proper divisors (72328915571506).

111012121112222 is a wasteful number, since it uses less digits than its factorization.

111012121112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773571904 (or 773571893 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111012121112222 its reverse (222211121210111), we get a palindrome (333223242322333).

The spelling of 111012121112222 in words is "one hundred eleven trillion, twelve billion, one hundred twenty-one million, one hundred twelve thousand, two hundred twenty-two".