120321332021 has 48 divisors (see below), whose sum is σ = 148899617280. Its totient is φ = 96190080000.

The previous prime is 120321332011. The next prime is 120321332057. The reversal of 120321332021 is 120233123021.

It is not a de Polignac number, because 120321332021 - 2²⁶ = 120254223157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120321331984 and 120321332002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120321332011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2836871 + ... + 2878971.

It is an arithmetic number, because the mean of its divisors is an integer number (3102075360).

Almost surely, 2^120321332021 is an apocalyptic number.

120321332021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120321332021 is a deficient number, since it is larger than the sum of its proper divisors (28578285259).

120321332021 is a wasteful number, since it uses less digits than its factorization.

120321332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42206 (or 42189 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 120321332021 its reverse (120233123021), we get a palindrome (240554455042).

The spelling of 120321332021 in words is "one hundred twenty billion, three hundred twenty-one million, three hundred thirty-two thousand, twenty-one".