120321130221 has 12 divisors (see below), whose sum is σ = 174250971648. Its totient is φ = 80004648264.

The previous prime is 120321130207. The next prime is 120321130229. The reversal of 120321130221 is 122031123021.

120321130221 is a `hidden beast` number, since 1 + 20 + 321 + 1 + 302 + 21 = 666.

It is not a de Polignac number, because 120321130221 - 2⁶ = 120321130157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120321130194 and 120321130203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120321130229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17449575 + ... + 17456468.

It is an arithmetic number, because the mean of its divisors is an integer number (14520914304).

Almost surely, 2^120321130221 is an apocalyptic number.

It is an amenable number.

120321130221 is a deficient number, since it is larger than the sum of its proper divisors (53929841427).

120321130221 is a wasteful number, since it uses less digits than its factorization.

120321130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34906432 (or 34906429 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120321130221 its reverse (122031123021), we get a palindrome (242352253242).

The spelling of 120321130221 in words is "one hundred twenty billion, three hundred twenty-one million, one hundred thirty thousand, two hundred twenty-one".