2122112220120 has 96 divisors (see below), whose sum is σ = 7009928143920. Its totient is φ = 556619592960.

The previous prime is 2122112220083. The next prime is 2122112220121. The reversal of 2122112220120 is 210222112212.

It is a happy number.

2122112220120 is a `hidden beast` number, since 212 + 2 + 112 + 220 + 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 = 2122112220093 and 2122112220102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122112220121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48295714 + ... + 48339633.

Almost surely, 2^{2122112220120} is an apocalyptic number.

2122112220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122112220120 is an abundant number, since it is smaller than the sum of its proper divisors (4887815923800).

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

2122112220120 is a wasteful number, since it uses less digits than its factorization.

2122112220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96635425 (or 96635418 counting only the distinct ones).

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

Adding to 2122112220120 its reverse (210222112212), we get a palindrome (2332334332332).

The spelling of 2122112220120 in words is "two trillion, one hundred twenty-two billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty".