120211021020020 has 96 divisors (see below), whose sum is σ = 298460267239680. Its totient is φ = 39793284034560.

The previous prime is 120211021020017. The next prime is 120211021020031. The reversal of 120211021020020 is 20020120112021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120211021019977 and 120211021020004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258962567 + ... + 259426353.

It is an arithmetic number, because the mean of its divisors is an integer number (3108961117080).

Almost surely, 2^{120211021020020} is an apocalyptic number.

120211021020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211021020020 is an abundant number, since it is smaller than the sum of its proper divisors (178249246219660).

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

120211021020020 is a wasteful number, since it uses less digits than its factorization.

120211021020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527673 (or 527671 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120211021020020 its reverse (20020120112021), we get a palindrome (140231141132041).

The spelling of 120211021020020 in words is "one hundred twenty trillion, two hundred eleven billion, twenty-one million, twenty thousand, twenty".