201102323201 has 16 divisors (see below), whose sum is σ = 226022423760. Its totient is φ = 177645619200.

The previous prime is 201102323189. The next prime is 201102323209. The reversal of 201102323201 is 102323201102.

It can be written as a sum of positive squares in 8 ways, for example, as 13730214976 + 187372108225 = 117176^2 + 432865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201102323201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201102323201.

It is not an unprimeable number, because it can be changed into a prime (201102323209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2317700 + ... + 2402901.

It is an arithmetic number, because the mean of its divisors is an integer number (14126401485).

Almost surely, 2^201102323201 is an apocalyptic number.

It is an amenable number.

201102323201 is a deficient number, since it is larger than the sum of its proper divisors (24920100559).

201102323201 is a wasteful number, since it uses less digits than its factorization.

201102323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720756.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201102323201 its reverse (102323201102), we get a palindrome (303425524303).

The spelling of 201102323201 in words is "two hundred one billion, one hundred two million, three hundred twenty-three thousand, two hundred one".