120221113321020 has 96 divisors (see below), whose sum is σ = 336858156472320. Its totient is φ = 32036204044800.

The previous prime is 120221113320947. The next prime is 120221113321021. The reversal of 120221113321020 is 20123311122021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221113321021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653912829 + ... + 654096651.

It is an arithmetic number, because the mean of its divisors is an integer number (3508939129920).

Almost surely, 2^{120221113321020} is an apocalyptic number.

120221113321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221113321020 is an abundant number, since it is smaller than the sum of its proper divisors (216637043151300).

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

120221113321020 is a wasteful number, since it uses less digits than its factorization.

120221113321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191515 (or 191513 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 120221113321020 its reverse (20123311122021), we get a palindrome (140344424443041).

The spelling of 120221113321020 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred thirteen million, three hundred twenty-one thousand, twenty".