120221321 has 8 divisors (see below), whose sum is σ = 131839488. Its totient is φ = 108718000.

The previous prime is 120221293. The next prime is 120221323. The reversal of 120221321 is 123122021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120221321 - 2¹⁰ = 120220297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120221296 and 120221305.

It is not an unprimeable number, because it can be changed into a prime (120221323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26510 + ... + 30711.

It is an arithmetic number, because the mean of its divisors is an integer number (16479936).

Almost surely, 2^120221321 is an apocalyptic number.

120221321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120221321 is a deficient number, since it is larger than the sum of its proper divisors (11618167).

120221321 is a wasteful number, since it uses less digits than its factorization.

120221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57423.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120221321 is about 10964.5483719121. The cubic root of 120221321 is about 493.5454644792.

Adding to 120221321 its reverse (123122021), we get a palindrome (243343342).

The spelling of 120221321 in words is "one hundred twenty million, two hundred twenty-one thousand, three hundred twenty-one".