1112211002112 has 144 divisors (see below), whose sum is σ = 3384344006400. Its totient is φ = 317645991936.

The previous prime is 1112211002101. The next prime is 1112211002113. The reversal of 1112211002112 is 2112001122111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1112211002091 and 1112211002100.

It is not an unprimeable number, because it can be changed into a prime (1112211002113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13662843 + ... + 13744005.

Almost surely, 2^{1112211002112} is an apocalyptic number.

1112211002112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112211002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1692172003200).

1112211002112 is an abundant number, since it is smaller than the sum of its proper divisors (2272133004288).

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

1112211002112 is an equidigital number, since it uses as much as digits as its factorization.

1112211002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83738 (or 83724 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1112211002112 its reverse (2112001122111), we get a palindrome (3224212124223).

The spelling of 1112211002112 in words is "one trillion, one hundred twelve billion, two hundred eleven million, two thousand, one hundred twelve".