120321103221 has 12 divisors (see below), whose sum is σ = 189596890080. Its totient is φ = 72921880680.

The previous prime is 120321103193. The next prime is 120321103237. The reversal of 120321103221 is 122301123021.

120321103221 is a `hidden beast` number, since 1 + 20 + 321 + 1 + 0 + 322 + 1 = 666.

It is not a de Polignac number, because 120321103221 - 2¹³ = 120321095029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120321103194 and 120321103203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120321105221) 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, 607682241 + ... + 607682438.

It is an arithmetic number, because the mean of its divisors is an integer number (15799740840).

Almost surely, 2^120321103221 is an apocalyptic number.

120321103221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120321103221 is a deficient number, since it is larger than the sum of its proper divisors (69275786859).

120321103221 is a wasteful number, since it uses less digits than its factorization.

120321103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215364696 (or 1215364693 counting only the distinct ones).

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

Adding to 120321103221 its reverse (122301123021), we get a palindrome (242622226242).

The spelling of 120321103221 in words is "one hundred twenty billion, three hundred twenty-one million, one hundred three thousand, two hundred twenty-one".