120100021201020 has 48 divisors (see below), whose sum is σ = 384320067844608. Its totient is φ = 27451433417280.

The previous prime is 120100021201009. The next prime is 120100021201049. The reversal of 120100021201020 is 20102120001021.

120100021201020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120100021200987 and 120100021201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142976215296 + ... + 142976216135.

It is an arithmetic number, because the mean of its divisors is an integer number (8006668080096).

Almost surely, 2^{120100021201020} is an apocalyptic number.

120100021201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100021201020 is an abundant number, since it is smaller than the sum of its proper divisors (264220046643588).

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

120100021201020 is a wasteful number, since it uses less digits than its factorization.

120100021201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285952431450 (or 285952431448 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120100021201020 its reverse (20102120001021), we get a palindrome (140202141202041).

The spelling of 120100021201020 in words is "one hundred twenty trillion, one hundred billion, twenty-one million, two hundred one thousand, twenty".