1122020222020 has 12 divisors (see below), whose sum is σ = 2356242466284. Its totient is φ = 448808088800.

The previous prime is 1122020221997. The next prime is 1122020222021. The reversal of 1122020222020 is 202220202211.

It can be written as a sum of positive squares in 2 ways, for example, as 473170639876 + 648849582144 = 687874^2 + 805512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1122020221985 and 1122020222003.

It is not an unprimeable number, because it can be changed into a prime (1122020222021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28050505531 + ... + 28050505570.

It is an arithmetic number, because the mean of its divisors is an integer number (196353538857).

Almost surely, 2^{1122020222020} is an apocalyptic number.

1122020222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122020222020 is an abundant number, since it is smaller than the sum of its proper divisors (1234222244264).

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

1122020222020 is a wasteful number, since it uses less digits than its factorization.

1122020222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56101011110 (or 56101011108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1122020222020 its reverse (202220202211), we get a palindrome (1324240424231).

The spelling of 1122020222020 in words is "one trillion, one hundred twenty-two billion, twenty million, two hundred twenty-two thousand, twenty".