1122022222020 has 144 divisors (see below), whose sum is σ = 3890008362240. Its totient is φ = 256440377088.

The previous prime is 1122022222007. The next prime is 1122022222031. The reversal of 1122022222020 is 202222202211.

1122022222020 is a `hidden beast` number, since 1 + 1 + 220 + 222 + 220 + 2 + 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 = 1122022221984 and 1122022222002.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 18263274 + ... + 18324606.

It is an arithmetic number, because the mean of its divisors is an integer number (27013946960).

Almost surely, 2^{1122022222020} is an apocalyptic number.

1122022222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122022222020 is an abundant number, since it is smaller than the sum of its proper divisors (2767986140220).

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

1122022222020 is a wasteful number, since it uses less digits than its factorization.

1122022222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75874 (or 75869 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1122022222020 its reverse (202222202211), we get a palindrome (1324244424231).

The spelling of 1122022222020 in words is "one trillion, one hundred twenty-two billion, twenty-two million, two hundred twenty-two thousand, twenty".