201055321 has 8 divisors (see below), whose sum is σ = 212052320. Its totient is φ = 190099872.

The previous prime is 201055307. The next prime is 201055333. The reversal of 201055321 is 123550102.

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 201055321 - 2¹¹ = 201053273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201055391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180 + ... + 20053.

It is an arithmetic number, because the mean of its divisors is an integer number (26506540).

Almost surely, 2^201055321 is an apocalyptic number.

It is an amenable number.

201055321 is a deficient number, since it is larger than the sum of its proper divisors (10996999).

201055321 is a wasteful number, since it uses less digits than its factorization.

201055321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20775.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 201055321 is about 14179.3977657727. The cubic root of 201055321 is about 585.8303362099.

The spelling of 201055321 in words is "two hundred one million, fifty-five thousand, three hundred twenty-one".