1112221111122 has 64 divisors (see below), whose sum is σ = 2813523793920. Its totient is φ = 322382926800.

The previous prime is 1112221111091. The next prime is 1112221111187. The reversal of 1112221111122 is 2211111222111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1112221111095 and 1112221111104.

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 31 ways as a sum of consecutive naturals, for example, 40691254 + ... + 40718577.

It is an arithmetic number, because the mean of its divisors is an integer number (43961309280).

Almost surely, 2^{1112221111122} is an apocalyptic number.

1112221111122 is an abundant number, since it is smaller than the sum of its proper divisors (1701302682798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112221111122 is a wasteful number, since it uses less digits than its factorization.

1112221111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81409876 (or 81409870 counting only the distinct ones).

The product of its digits is 32, while the sum is 18.

Adding to 1112221111122 its reverse (2211111222111), we get a palindrome (3323332333233).

The spelling of 1112221111122 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty-two".