311122201201 has 24 divisors (see below), whose sum is σ = 377802982656. Its totient is φ = 250930444800.

The previous prime is 311122201199. The next prime is 311122201219. The reversal of 311122201201 is 102102221113.

It is not a de Polignac number, because 311122201201 - 2¹ = 311122201199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311122201601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9971976 + ... + 10003126.

It is an arithmetic number, because the mean of its divisors is an integer number (15741790944).

Almost surely, 2^311122201201 is an apocalyptic number.

It is an amenable number.

311122201201 is a deficient number, since it is larger than the sum of its proper divisors (66680781455).

311122201201 is a wasteful number, since it uses less digits than its factorization.

311122201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36129 (or 36112 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 311122201201 its reverse (102102221113), we get a palindrome (413224422314).

The spelling of 311122201201 in words is "three hundred eleven billion, one hundred twenty-two million, two hundred one thousand, two hundred one".