1112213211112 has 32 divisors (see below), whose sum is σ = 2208247357320. Its totient is φ = 523352494080.

The previous prime is 1112213211103. The next prime is 1112213211119. The reversal of 1112213211112 is 2111123122111.

It can be written as a sum of positive squares in 4 ways, for example, as 1006903874916 + 105309336196 = 1003446^2 + 324514^2 .

It is a super-4 number, since 4×1112213211112⁴ (a number of 49 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1112213211112.

It is not an unprimeable number, because it can be changed into a prime (1112213211119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1408618 + ... + 2051494.

Almost surely, 2^{1112213211112} is an apocalyptic number.

It is an amenable number.

1112213211112 is a deficient number, since it is larger than the sum of its proper divisors (1096034146208).

1112213211112 is a wasteful number, since it uses less digits than its factorization.

1112213211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655621 (or 655617 counting only the distinct ones).

The product of its digits is 48, while the sum is 19.

Adding to 1112213211112 its reverse (2111123122111), we get a palindrome (3223336333223).

The spelling of 1112213211112 in words is "one trillion, one hundred twelve billion, two hundred thirteen million, two hundred eleven thousand, one hundred twelve".