120021222010020 has 96 divisors (see below), whose sum is σ = 358729108577280. Its totient is φ = 29894092341120.

The previous prime is 120021222009791. The next prime is 120021222010061. The reversal of 120021222010020 is 20010222120021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 741340002 + ... + 741501881.

It is an arithmetic number, because the mean of its divisors is an integer number (3736761547680).

Almost surely, 2^{120021222010020} is an apocalyptic number.

120021222010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021222010020 is an abundant number, since it is smaller than the sum of its proper divisors (238707886567260).

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

120021222010020 is a wasteful number, since it uses less digits than its factorization.

120021222010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482841985 (or 1482841983 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120021222010020 its reverse (20010222120021), we get a palindrome (140031444130041).

The spelling of 120021222010020 in words is "one hundred twenty trillion, twenty-one billion, two hundred twenty-two million, ten thousand, twenty".