120021201101020 has 48 divisors (see below), whose sum is σ = 264584736460800. Its totient is φ = 45672365194560.

The previous prime is 120021201101003. The next prime is 120021201101023. The reversal of 120021201101020 is 20101102120021.

120021201101020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021201101023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1640493780 + ... + 1640566939.

It is an arithmetic number, because the mean of its divisors is an integer number (5512182009600).

Almost surely, 2^{120021201101020} is an apocalyptic number.

120021201101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021201101020 is an abundant number, since it is smaller than the sum of its proper divisors (144563535359780).

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

120021201101020 is a wasteful number, since it uses less digits than its factorization.

120021201101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281060818 (or 3281060816 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120021201101020 its reverse (20101102120021), we get a palindrome (140122303221041).

The spelling of 120021201101020 in words is "one hundred twenty trillion, twenty-one billion, two hundred one million, one hundred one thousand, twenty".