1112122212120 has 128 divisors (see below), whose sum is σ = 3707715384000. Its totient is φ = 296514616320.

The previous prime is 1112122212059. The next prime is 1112122212181. The reversal of 1112122212120 is 212122212111.

1112122212120 is a `hidden beast` number, since 111 + 212 + 221 + 2 + 120 = 666.

It is an interprime number because it is at equal distance from previous prime (1112122212059) and next prime (1112122212181).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1112122212093 and 1112122212102.

It is a congruent number.

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, 6373396 + ... + 6545564.

Almost surely, 2^{1112122212120} is an apocalyptic number.

1112122212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112122212120 is an abundant number, since it is smaller than the sum of its proper divisors (2595593171880).

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

1112122212120 is a wasteful number, since it uses less digits than its factorization.

1112122212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178170 (or 178160 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1112122212120 its reverse (212122212111), we get a palindrome (1324244424231).

Subtracting from 1112122212120 its reverse (212122212111), we obtain a palindrome (900000000009).

The spelling of 1112122212120 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty".