1112120122112 has 72 divisors (see below), whose sum is σ = 2301128781840. Its totient is φ = 535790366720.

The previous prime is 1112120122103. The next prime is 1112120122177. The reversal of 1112120122112 is 2112210212111.

It is a super-2 number, since 2×1112120122112² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3492638 + ... + 3797730.

It is an arithmetic number, because the mean of its divisors is an integer number (31960121970).

Almost surely, 2^{1112120122112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112120122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150564390920).

1112120122112 is an abundant number, since it is smaller than the sum of its proper divisors (1189008659728).

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

1112120122112 is an equidigital number, since it uses as much as digits as its factorization.

1112120122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305629 (or 305615 counting only the distinct ones).

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

Adding to 1112120122112 its reverse (2112210212111), we get a palindrome (3224330334223).

The spelling of 1112120122112 in words is "one trillion, one hundred twelve billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twelve".