1112120221112 has 16 divisors (see below), whose sum is σ = 2207885733360. Its totient is φ = 523350692224.

The previous prime is 1112120221111. The next prime is 1112120221117. The reversal of 1112120221112 is 2111220212111.

It is a super-2 number, since 2×1112120221112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112120221111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4088677148 + ... + 4088677419.

It is an arithmetic number, because the mean of its divisors is an integer number (137992858335).

Almost surely, 2^{1112120221112} is an apocalyptic number.

It is an amenable number.

1112120221112 is a deficient number, since it is larger than the sum of its proper divisors (1095765512248).

1112120221112 is a wasteful number, since it uses less digits than its factorization.

1112120221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8177354590 (or 8177354586 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1112120221112 its reverse (2111220212111), we get a palindrome (3223340433223).

Subtracting 1112120221112 from its reverse (2111220212111), we obtain a palindrome (999099990999).

The spelling of 1112120221112 in words is "one trillion, one hundred twelve billion, one hundred twenty million, two hundred twenty-one thousand, one hundred twelve".