210102221201201 has 4 divisors (see below), whose sum is σ = 240116824229952. Its totient is φ = 180087618172452.

The previous prime is 210102221201161. The next prime is 210102221201207. The reversal of 210102221201201 is 102102122201012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210102221201201 - 2¹⁸ = 210102220939057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210102221201201.

It is not an unprimeable number, because it can be changed into a prime (210102221201207) 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, 15007301514365 + ... + 15007301514378.

It is an arithmetic number, because the mean of its divisors is an integer number (60029206057488).

Almost surely, 2^{210102221201201} is an apocalyptic number.

It is an amenable number.

210102221201201 is a deficient number, since it is larger than the sum of its proper divisors (30014603028751).

210102221201201 is an equidigital number, since it uses as much as digits as its factorization.

210102221201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30014603028750.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210102221201201 its reverse (102102122201012), we get a palindrome (312204343402213).

The spelling of 210102221201201 in words is "two hundred ten trillion, one hundred two billion, two hundred twenty-one million, two hundred one thousand, two hundred one".