201224404420201 has 4 divisors (see below), whose sum is σ = 211815162547600. Its totient is φ = 190633646292804.

The previous prime is 201224404420189. The next prime is 201224404420229. The reversal of 201224404420201 is 102024404422102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201224404420201 - 2²⁵ = 201224370865769 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 201224404420201.

It is not an unprimeable number, because it can be changed into a prime (201224404420241) 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, 5295379063671 + ... + 5295379063708.

It is an arithmetic number, because the mean of its divisors is an integer number (52953790636900).

Almost surely, 2^{201224404420201} is an apocalyptic number.

It is an amenable number.

201224404420201 is a deficient number, since it is larger than the sum of its proper divisors (10590758127399).

201224404420201 is a wasteful number, since it uses less digits than its factorization.

201224404420201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10590758127398.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 201224404420201 its reverse (102024404422102), we get a palindrome (303248808842303).

The spelling of 201224404420201 in words is "two hundred one trillion, two hundred twenty-four billion, four hundred four million, four hundred twenty thousand, two hundred one".