1112220212120 has 64 divisors (see below), whose sum is σ = 2649985826400. Its totient is φ = 418673203200.

The previous prime is 1112220212099. The next prime is 1112220212123. The reversal of 1112220212120 is 212120222111.

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 (1112220212123) 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, 6621170 + ... + 6787070.

Almost surely, 2^{1112220212120} is an apocalyptic number.

1112220212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112220212120 is an abundant number, since it is smaller than the sum of its proper divisors (1537765614280).

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

1112220212120 is a wasteful number, since it uses less digits than its factorization.

1112220212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175788 (or 175784 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1112220212120 its reverse (212120222111), we get a palindrome (1324340434231).

Subtracting from 1112220212120 its reverse (212120222111), we obtain a palindrome (900099990009).

The spelling of 1112220212120 in words is "one trillion, one hundred twelve billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty".