210002122012201 has 4 divisors (see below), whose sum is σ = 211928746984900. Its totient is φ = 208075497039504.

The previous prime is 210002122012169. The next prime is 210002122012217. The reversal of 210002122012201 is 102210221200012.

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 68779820089600 + 141222301922601 = 8293360^2 + 11883699^2 .

It is a cyclic number.

It is not a de Polignac number, because 210002122012201 - 2⁵ = 210002122012169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210002122022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963312486186 + ... + 963312486403.

It is an arithmetic number, because the mean of its divisors is an integer number (52982186746225).

Almost surely, 2^{210002122012201} is an apocalyptic number.

It is an amenable number.

210002122012201 is a deficient number, since it is larger than the sum of its proper divisors (1926624972699).

210002122012201 is a wasteful number, since it uses less digits than its factorization.

210002122012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926624972698.

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

Adding to 210002122012201 its reverse (102210221200012), we get a palindrome (312212343212213).

The spelling of 210002122012201 in words is "two hundred ten trillion, two billion, one hundred twenty-two million, twelve thousand, two hundred one".