201111434001 has 24 divisors (see below), whose sum is σ = 308925400680. Its totient is φ = 125636507136.

The previous prime is 201111433997. The next prime is 201111434009. The reversal of 201111434001 is 100434111102.

It can be written as a sum of positive squares in 4 ways, for example, as 157398660225 + 43712773776 = 396735^2 + 209076^2 .

It is not a de Polignac number, because 201111434001 - 2² = 201111433997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201111434009) 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, 2834950 + ... + 2905023.

It is an arithmetic number, because the mean of its divisors is an integer number (12871891695).

Almost surely, 2^201111434001 is an apocalyptic number.

It is an amenable number.

201111434001 is a deficient number, since it is larger than the sum of its proper divisors (107813966679).

201111434001 is a wasteful number, since it uses less digits than its factorization.

201111434001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740225 (or 5740222 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 201111434001 its reverse (100434111102), we get a palindrome (301545545103).

The spelling of 201111434001 in words is "two hundred one billion, one hundred eleven million, four hundred thirty-four thousand, one".