111012110122222 has 48 divisors (see below), whose sum is σ = 173399087377152. Its totient is φ = 53299783026560.

The previous prime is 111012110122169. The next prime is 111012110122273. The reversal of 111012110122222 is 222221011210111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111012110122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1566759348 + ... + 1566830200.

It is an arithmetic number, because the mean of its divisors is an integer number (3612480987024).

Almost surely, 2^{111012110122222} is an apocalyptic number.

111012110122222 is a deficient number, since it is larger than the sum of its proper divisors (62386977254930).

111012110122222 is a wasteful number, since it uses less digits than its factorization.

111012110122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75981 (or 75952 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111012110122222 its reverse (222221011210111), we get a palindrome (333233121332333).

The spelling of 111012110122222 in words is "one hundred eleven trillion, twelve billion, one hundred ten million, one hundred twenty-two thousand, two hundred twenty-two".