1112212112242 has 16 divisors (see below), whose sum is σ = 2079981093312. Its totient is φ = 433329394320.

The previous prime is 1112212112227. The next prime is 1112212112243. The reversal of 1112212112242 is 2422112122111.

It is a super-2 number, since 2×1112212112242² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1112212112243) 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, 3611078133 + ... + 3611078440.

It is an arithmetic number, because the mean of its divisors is an integer number (129998818332).

Almost surely, 2^{1112212112242} is an apocalyptic number.

1112212112242 is a deficient number, since it is larger than the sum of its proper divisors (967768981070).

1112212112242 is a wasteful number, since it uses less digits than its factorization.

1112212112242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7222156593.

The product of its digits is 256, while the sum is 22.

Adding to 1112212112242 its reverse (2422112122111), we get a palindrome (3534324234353).

The spelling of 1112212112242 in words is "one trillion, one hundred twelve billion, two hundred twelve million, one hundred twelve thousand, two hundred forty-two".