1112211122122 has 16 divisors (see below), whose sum is σ = 1691987832000. Its totient is φ = 548216786880.

The previous prime is 1112211122093. The next prime is 1112211122129. The reversal of 1112211122122 is 2212211122111.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1112211122122.

It is not an unprimeable number, because it can be changed into a prime (1112211122129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002754 + ... + 1797202.

It is an arithmetic number, because the mean of its divisors is an integer number (105749239500).

Almost surely, 2^{1112211122122} is an apocalyptic number.

1112211122122 is a deficient number, since it is larger than the sum of its proper divisors (579776709878).

1112211122122 is an equidigital number, since it uses as much as digits as its factorization.

1112211122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804381.

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

Adding to 1112211122122 its reverse (2212211122111), we get a palindrome (3324422244233).

The spelling of 1112211122122 in words is "one trillion, one hundred twelve billion, two hundred eleven million, one hundred twenty-two thousand, one hundred twenty-two".