201202012021201 has 4 divisors (see below), whose sum is σ = 201597300846900. Its totient is φ = 200806723195504.

The previous prime is 201202012021189. The next prime is 201202012021249. The reversal of 201202012021201 is 102120210202102.

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 166960613912976 + 34241398108225 = 12921324^2 + 5851615^2 .

It is a cyclic number.

It is not a de Polignac number, because 201202012021201 - 2²⁷ = 201201877803473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201202012021001) 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, 197644412086 + ... + 197644413103.

It is an arithmetic number, because the mean of its divisors is an integer number (50399325211725).

Almost surely, 2^{201202012021201} is an apocalyptic number.

It is an amenable number.

201202012021201 is a deficient number, since it is larger than the sum of its proper divisors (395288825699).

201202012021201 is an equidigital number, since it uses as much as digits as its factorization.

201202012021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395288825698.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201202012021201 its reverse (102120210202102), we get a palindrome (303322222223303).

The spelling of 201202012021201 in words is "two hundred one trillion, two hundred two billion, twelve million, twenty-one thousand, two hundred one".