201352323021 has 16 divisors (see below), whose sum is σ = 281314529280. Its totient is φ = 127861339760.

The previous prime is 201352322953. The next prime is 201352323047. The reversal of 201352323021 is 120323253102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201352323021 - 2¹¹ = 201352320973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201352322982 and 201352323000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201352322021) 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, 6088425 + ... + 6121406.

It is an arithmetic number, because the mean of its divisors is an integer number (17582158080).

Almost surely, 2^201352323021 is an apocalyptic number.

It is an amenable number.

201352323021 is a deficient number, since it is larger than the sum of its proper divisors (79962206259).

201352323021 is a wasteful number, since it uses less digits than its factorization.

201352323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12210096.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 201352323021 its reverse (120323253102), we get a palindrome (321675576123).

The spelling of 201352323021 in words is "two hundred one billion, three hundred fifty-two million, three hundred twenty-three thousand, twenty-one".