201200122201 has 4 divisors (see below), whose sum is σ = 216677054692. Its totient is φ = 185723189712.

The previous prime is 201200122159. The next prime is 201200122267. The reversal of 201200122201 is 102221002102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14855953225 + 186344168976 = 121885^2 + 431676^2 .

It is a cyclic number.

It is not a de Polignac number, because 201200122201 - 2¹³ = 201200114009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 15476932477 = 201200122201 / (2 + 0 + 1 + 2 + 0 + 0 + 1 + 2 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201200128201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7738466226 + ... + 7738466251.

It is an arithmetic number, because the mean of its divisors is an integer number (54169263673).

Almost surely, 2^201200122201 is an apocalyptic number.

It is an amenable number.

201200122201 is a deficient number, since it is larger than the sum of its proper divisors (15476932491).

201200122201 is a wasteful number, since it uses less digits than its factorization.

201200122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15476932490.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201200122201 its reverse (102221002102), we get a palindrome (303421124303).

The spelling of 201200122201 in words is "two hundred one billion, two hundred million, one hundred twenty-two thousand, two hundred one".