2222120112120 has 48 divisors (see below), whose sum is σ = 7221890365560. Its totient is φ = 592565363136.

The previous prime is 2222120112119. The next prime is 2222120112131. The reversal of 2222120112120 is 212110212222.

It is a happy number.

2222120112120 is a `hidden beast` number, since 222 + 212 + 0 + 112 + 120 = 666.

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 = 2222120112093 and 2222120112102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3086277574 + ... + 3086278293.

Almost surely, 2^{2222120112120} is an apocalyptic number.

2222120112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222120112120 is an abundant number, since it is smaller than the sum of its proper divisors (4999770253440).

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

2222120112120 is a wasteful number, since it uses less digits than its factorization.

2222120112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172555884 (or 6172555877 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2222120112120 its reverse (212110212222), we get a palindrome (2434230324342).

The spelling of 2222120112120 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, one hundred twenty".