201012221120201 has 4 divisors (see below), whose sum is σ = 201209098908804. Its totient is φ = 200815343331600.

The previous prime is 201012221120177. The next prime is 201012221120219. The reversal of 201012221120201 is 102021122210102.

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 155389288594576 + 45622932525625 = 12465524^2 + 6754475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201012221120201 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 201012221120201.

It is not an unprimeable number, because it can be changed into a prime (201012221120401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98438892770 + ... + 98438894811.

It is an arithmetic number, because the mean of its divisors is an integer number (50302274727201).

Almost surely, 2^{201012221120201} is an apocalyptic number.

It is an amenable number.

201012221120201 is a deficient number, since it is larger than the sum of its proper divisors (196877788603).

201012221120201 is a wasteful number, since it uses less digits than its factorization.

201012221120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196877788602.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201012221120201 its reverse (102021122210102), we get a palindrome (303033343330303).

The spelling of 201012221120201 in words is "two hundred one trillion, twelve billion, two hundred twenty-one million, one hundred twenty thousand, two hundred one".