2120112222120 has 96 divisors (see below), whose sum is σ = 6958586274120. Its totient is φ = 559765593600.

The previous prime is 2120112222097. The next prime is 2120112222131. The reversal of 2120112222120 is 212222110212.

It is a happy number.

2120112222120 is a `hidden beast` number, since 212 + 0 + 112 + 222 + 120 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2113831025604 + 6281196516 = 1453902^2 + 79254^2 .

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 = 2120112222093 and 2120112222102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29118099 + ... + 29190818.

Almost surely, 2^{2120112222120} is an apocalyptic number.

2120112222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120112222120 is an abundant number, since it is smaller than the sum of its proper divisors (4838474052000).

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

2120112222120 is a wasteful number, since it uses less digits than its factorization.

2120112222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58309035 (or 58309028 counting only the distinct ones).

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

Adding to 2120112222120 its reverse (212222110212), we get a palindrome (2332334332332).

The spelling of 2120112222120 in words is "two trillion, one hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty".