202201321 has 8 divisors (see below), whose sum is σ = 231202944. Its totient is φ = 173228640.

The previous prime is 202201309. The next prime is 202201327. The reversal of 202201321 is 123102202.

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 202201321 - 2⁹ = 202200809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202201327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10716 + ... + 22786.

It is an arithmetic number, because the mean of its divisors is an integer number (28900368).

Almost surely, 2^202201321 is an apocalyptic number.

It is an amenable number.

202201321 is a deficient number, since it is larger than the sum of its proper divisors (29001623).

202201321 is a wasteful number, since it uses less digits than its factorization.

202201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14471.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 202201321 is about 14219.7510878355. The cubic root of 202201321 is about 586.9412908401.

Adding to 202201321 its reverse (123102202), we get a palindrome (325303523).

The spelling of 202201321 in words is "two hundred two million, two hundred one thousand, three hundred twenty-one".