120211321 has 8 divisors (see below), whose sum is σ = 122648040. Its totient is φ = 117798912.

The previous prime is 120211319. The next prime is 120211327. The reversal of 120211321 is 123112021.

It can be written as a sum of positive squares in 4 ways, for example, as 2250000 + 117961321 = 1500^2 + 10861^2 .

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 120211321 - 2¹ = 120211319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120211327) 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, 4081 + ... + 16033.

It is an arithmetic number, because the mean of its divisors is an integer number (15331005).

Almost surely, 2^120211321 is an apocalyptic number.

It is an amenable number.

120211321 is a deficient number, since it is larger than the sum of its proper divisors (2436719).

120211321 is a wasteful number, since it uses less digits than its factorization.

120211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12155.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 120211321 is about 10964.0923472944. The cubic root of 120211321 is about 493.5317797422.

Adding to 120211321 its reverse (123112021), we get a palindrome (243323342).

The spelling of 120211321 in words is "one hundred twenty million, two hundred eleven thousand, three hundred twenty-one".