2022222212120 has 128 divisors (see below), whose sum is σ = 4999034880000. Its totient is φ = 730118292480.

The previous prime is 2022222212089. The next prime is 2022222212149. The reversal of 2022222212120 is 212122222202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2022222212092 and 2022222212101.

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, 75220841 + ... + 75247719.

It is an arithmetic number, because the mean of its divisors is an integer number (39054960000).

Almost surely, 2^{2022222212120} is an apocalyptic number.

2022222212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022222212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2499517440000).

2022222212120 is an abundant number, since it is smaller than the sum of its proper divisors (2976812667880).

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

2022222212120 is a wasteful number, since it uses less digits than its factorization.

2022222212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28113 (or 28109 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2022222212120 its reverse (212122222202), we get a palindrome (2234344434322).

The spelling of 2022222212120 in words is "two trillion, twenty-two billion, two hundred twenty-two million, two hundred twelve thousand, one hundred twenty".