210210221201 has 4 divisors (see below), whose sum is σ = 210313826100. Its totient is φ = 210106616304.

The previous prime is 210210221191. The next prime is 210210221203. The reversal of 210210221201 is 102122012012.

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 149942426176 + 60267795025 = 387224^2 + 245495^2 .

It is a cyclic number.

It is not a de Polignac number, because 210210221201 - 2¹⁴ = 210210204817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210210221203) 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, 51799406 + ... + 51803463.

It is an arithmetic number, because the mean of its divisors is an integer number (52578456525).

Almost surely, 2^210210221201 is an apocalyptic number.

It is an amenable number.

210210221201 is a deficient number, since it is larger than the sum of its proper divisors (103604899).

210210221201 is a wasteful number, since it uses less digits than its factorization.

210210221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103604898.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210210221201 its reverse (102122012012), we get a palindrome (312332233213).

The spelling of 210210221201 in words is "two hundred ten billion, two hundred ten million, two hundred twenty-one thousand, two hundred one".