210011012221201 has 4 divisors (see below), whose sum is σ = 210157975842100. Its totient is φ = 209864048600304.

The previous prime is 210011012221189. The next prime is 210011012221217. The reversal of 210011012221201 is 102122210110012.

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 61476952844176 + 148534059377025 = 7840724^2 + 12187455^2 .

It is a cyclic number.

It is not a de Polignac number, because 210011012221201 - 2⁵ = 210011012221169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210011012221271) 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, 73481808306 + ... + 73481811163.

It is an arithmetic number, because the mean of its divisors is an integer number (52539493960525).

Almost surely, 2^{210011012221201} is an apocalyptic number.

It is an amenable number.

210011012221201 is a deficient number, since it is larger than the sum of its proper divisors (146963620899).

210011012221201 is a wasteful number, since it uses less digits than its factorization.

210011012221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146963620898.

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

Adding to 210011012221201 its reverse (102122210110012), we get a palindrome (312133222331213).

The spelling of 210011012221201 in words is "two hundred ten trillion, eleven billion, twelve million, two hundred twenty-one thousand, two hundred one".