210131222030201 has 4 divisors (see below), whose sum is σ = 210131257184100. Its totient is φ = 210131186876304.

The previous prime is 210131222030189. The next prime is 210131222030237. The reversal of 210131222030201 is 102030222131012.

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 44311002535801 + 165820219494400 = 6656651^2 + 12877120^2 .

It is a cyclic number.

It is not a de Polignac number, because 210131222030201 - 2¹⁰ = 210131222029177 is a prime.

It is a super-3 number, since 3×210131222030201³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210131222030281) 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, 6122606 + ... + 21395063.

It is an arithmetic number, because the mean of its divisors is an integer number (52532814296025).

Almost surely, 2^{210131222030201} is an apocalyptic number.

It is an amenable number.

210131222030201 is a deficient number, since it is larger than the sum of its proper divisors (35153899).

210131222030201 is an equidigital number, since it uses as much as digits as its factorization.

210131222030201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35153898.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 210131222030201 its reverse (102030222131012), we get a palindrome (312161444161213).

The spelling of 210131222030201 in words is "two hundred ten trillion, one hundred thirty-one billion, two hundred twenty-two million, thirty thousand, two hundred one".