1112212210120 has 128 divisors (see below), whose sum is σ = 2785656666240. Its totient is φ = 396214640640.

The previous prime is 1112212209971. The next prime is 1112212210163. The reversal of 1112212210120 is 210122122111.

It is a junction number, because it is equal to n+sod(n) for n = 1112212210094 and 1112212210103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15658927 + ... + 15729793.

It is an arithmetic number, because the mean of its divisors is an integer number (21762942705).

Almost surely, 2^{1112212210120} is an apocalyptic number.

1112212210120 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 1112212210120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392828333120).

1112212210120 is an abundant number, since it is smaller than the sum of its proper divisors (1673444456120).

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

1112212210120 is a wasteful number, since it uses less digits than its factorization.

1112212210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71615 (or 71611 counting only the distinct ones).

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

Adding to 1112212210120 its reverse (210122122111), we get a palindrome (1322334332231).

The spelling of 1112212210120 in words is "one trillion, one hundred twelve billion, two hundred twelve million, two hundred ten thousand, one hundred twenty".