2112022212120 has 96 divisors (see below), whose sum is σ = 6960749346720. Its totient is φ = 555273438720.

The previous prime is 2112022212119. The next prime is 2112022212137. The reversal of 2112022212120 is 212122202112.

It is a happy number.

2112022212120 is a `hidden beast` number, since 211 + 20 + 2 + 221 + 212 + 0 = 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 = 2112022212093 and 2112022212102.

It is a congruent number.

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, 41289429 + ... + 41340548.

It is an arithmetic number, because the mean of its divisors is an integer number (72507805695).

Almost surely, 2^{2112022212120} is an apocalyptic number.

2112022212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112022212120 is an abundant number, since it is smaller than the sum of its proper divisors (4848727134600).

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

2112022212120 is a wasteful number, since it uses less digits than its factorization.

2112022212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82630065 (or 82630058 counting only the distinct ones).

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

Adding to 2112022212120 its reverse (212122202112), we get a palindrome (2324144414232).

The spelling of 2112022212120 in words is "two trillion, one hundred twelve billion, twenty-two million, two hundred twelve thousand, one hundred twenty".