201120321 has 16 divisors (see below), whose sum is σ = 274417920. Its totient is φ = 130980240.

The previous prime is 201120313. The next prime is 201120323. The reversal of 201120321 is 123021102.

It is not a de Polignac number, because 201120321 - 2³ = 201120313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201120297 and 201120306.

It is not an unprimeable number, because it can be changed into a prime (201120323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25366 + ... + 32336.

It is an arithmetic number, because the mean of its divisors is an integer number (17151120).

Almost surely, 2^201120321 is an apocalyptic number.

It is an amenable number.

201120321 is a deficient number, since it is larger than the sum of its proper divisors (73297599).

201120321 is a wasteful number, since it uses less digits than its factorization.

201120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7196.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 201120321 is about 14181.6896384035. The cubic root of 201120321 is about 585.8934612391.

Adding to 201120321 its reverse (123021102), we get a palindrome (324141423).

The spelling of 201120321 in words is "two hundred one million, one hundred twenty thousand, three hundred twenty-one".