201321003111 has 8 divisors (see below), whose sum is σ = 282555793920. Its totient is φ = 127150107192.

The previous prime is 201321003071. The next prime is 201321003119. The reversal of 201321003111 is 111300123102.

It is a happy number.

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

It is not a de Polignac number, because 201321003111 - 2³⁰ = 200247261287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201321003119) 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, 1765973655 + ... + 1765973768.

It is an arithmetic number, because the mean of its divisors is an integer number (35319474240).

Almost surely, 2^201321003111 is an apocalyptic number.

201321003111 is a deficient number, since it is larger than the sum of its proper divisors (81234790809).

201321003111 is a wasteful number, since it uses less digits than its factorization.

201321003111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531947445.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 201321003111 its reverse (111300123102), we get a palindrome (312621126213).

The spelling of 201321003111 in words is "two hundred one billion, three hundred twenty-one million, three thousand, one hundred eleven".