201101220321 has 8 divisors (see below), whose sum is σ = 270507836640. Its totient is φ = 132881042112.

The previous prime is 201101220283. The next prime is 201101220391. The reversal of 201101220321 is 123022101102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201101220321 - 2¹⁴ = 201101203937 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201101220321.

It is not an unprimeable number, because it can be changed into a prime (201101220391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296609131 + ... + 296609808.

It is an arithmetic number, because the mean of its divisors is an integer number (33813479580).

Almost surely, 2^201101220321 is an apocalyptic number.

It is an amenable number.

201101220321 is a deficient number, since it is larger than the sum of its proper divisors (69406616319).

201101220321 is a wasteful number, since it uses less digits than its factorization.

201101220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593219055.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201101220321 its reverse (123022101102), we get a palindrome (324123321423).

The spelling of 201101220321 in words is "two hundred one billion, one hundred one million, two hundred twenty thousand, three hundred twenty-one".