201012121120201 has 4 divisors (see below), whose sum is σ = 201013149736852. Its totient is φ = 201011092503552.

The previous prime is 201012121120193. The next prime is 201012121120231. The reversal of 201012121120201 is 102021121210102.

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 7893155394576 + 193118965725625 = 2809476^2 + 13896725^2 .

It is a cyclic number.

It is not a de Polignac number, because 201012121120201 - 2³ = 201012121120193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201012121120231) 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, 514015140 + ... + 514406053.

It is an arithmetic number, because the mean of its divisors is an integer number (50253287434213).

Almost surely, 2^{201012121120201} is an apocalyptic number.

It is an amenable number.

201012121120201 is a deficient number, since it is larger than the sum of its proper divisors (1028616651).

201012121120201 is a wasteful number, since it uses less digits than its factorization.

201012121120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028616650.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201012121120201 its reverse (102021121210102), we get a palindrome (303033242330303).

The spelling of 201012121120201 in words is "two hundred one trillion, twelve billion, one hundred twenty-one million, one hundred twenty thousand, two hundred one".