201321322 has 4 divisors (see below), whose sum is σ = 301981986. Its totient is φ = 100660660.

The previous prime is 201321319. The next prime is 201321331. The reversal of 201321322 is 223123102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 187991521 + 13329801 = 13711^2 + 3651^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201321296 and 201321305.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50330329 + ... + 50330332.

Almost surely, 2^201321322 is an apocalyptic number.

201321322 is a deficient number, since it is larger than the sum of its proper divisors (100660664).

201321322 is a wasteful number, since it uses less digits than its factorization.

201321322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100660663.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 201321322 is about 14188.7745066302. The cubic root of 201321322 is about 586.0885782070.

Adding to 201321322 its reverse (223123102), we get a palindrome (424444424).

The spelling of 201321322 in words is "two hundred one million, three hundred twenty-one thousand, three hundred twenty-two".