2022121121020 has 144 divisors (see below), whose sum is σ = 5803346612448. Its totient is φ = 581789053440.

The previous prime is 2022121121003. The next prime is 2022121121057. The reversal of 2022121121020 is 201211212202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2022121120985 and 2022121121003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7074507 + ... + 7354786.

It is an arithmetic number, because the mean of its divisors is an integer number (40301018142).

Almost surely, 2^{2022121121020} is an apocalyptic number.

2022121121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022121121020 is an abundant number, since it is smaller than the sum of its proper divisors (3781225491428).

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

2022121121020 is a wasteful number, since it uses less digits than its factorization.

2022121121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14429340 (or 14429331 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2022121121020 its reverse (201211212202), we get a palindrome (2223332333222).

The spelling of 2022121121020 in words is "two trillion, twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, twenty".