201001323211121 has 12 divisors (see below), whose sum is σ = 213755850978768. Its totient is φ = 188969140506432.

The previous prime is 201001323211111. The next prime is 201001323211127. The reversal of 201001323211121 is 121112323100102.

201001323211121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201001323211121 - 2³⁰ = 201000249469297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201001323211093 and 201001323211102.

It is not an unprimeable number, because it can be changed into a prime (201001323211127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383148191 + ... + 383672436.

It is an arithmetic number, because the mean of its divisors is an integer number (17812987581564).

Almost surely, 2^{201001323211121} is an apocalyptic number.

It is an amenable number.

201001323211121 is a deficient number, since it is larger than the sum of its proper divisors (12754527767647).

201001323211121 is an equidigital number, since it uses as much as digits as its factorization.

201001323211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766821568 (or 766821551 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 201001323211121 its reverse (121112323100102), we get a palindrome (322113646311223).

The spelling of 201001323211121 in words is "two hundred one trillion, one billion, three hundred twenty-three million, two hundred eleven thousand, one hundred twenty-one".