1112011222120 has 64 divisors (see below), whose sum is σ = 2543964315840. Its totient is φ = 437385484800.

The previous prime is 1112011222087. The next prime is 1112011222123. The reversal of 1112011222120 is 212221102111.

It is a junction number, because it is equal to n+sod(n) for n = 1112011222094 and 1112011222103.

It is not an unprimeable number, because it can be changed into a prime (1112011222123) 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, 391255 + ... + 1541785.

It is an arithmetic number, because the mean of its divisors is an integer number (39749442435).

Almost surely, 2^{1112011222120} is an apocalyptic number.

1112011222120 is a gapful number since it is divisible by the number (10) 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 1112011222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271982157920).

1112011222120 is an abundant number, since it is smaller than the sum of its proper divisors (1431953093720).

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

1112011222120 is a wasteful number, since it uses less digits than its factorization.

1112011222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150946 (or 1150942 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112011222120 its reverse (212221102111), we get a palindrome (1324232324231).

The spelling of 1112011222120 in words is "one trillion, one hundred twelve billion, eleven million, two hundred twenty-two thousand, one hundred twenty".