12102102110201 has 4 divisors (see below), whose sum is σ = 12519415976100. Its totient is φ = 11684788244304.

The previous prime is 12102102110177. The next prime is 12102102110207. The reversal of 12102102110201 is 10201120120121.

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 3466150297600 + 8635951812601 = 1861760^2 + 2938699^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102102110201 - 2¹⁰ = 12102102109177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102102110207) 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, 208656932906 + ... + 208656932963.

It is an arithmetic number, because the mean of its divisors is an integer number (3129853994025).

Almost surely, 2^{12102102110201} is an apocalyptic number.

It is an amenable number.

12102102110201 is a deficient number, since it is larger than the sum of its proper divisors (417313865899).

12102102110201 is an equidigital number, since it uses as much as digits as its factorization.

12102102110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417313865898.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12102102110201 its reverse (10201120120121), we get a palindrome (22303222230322).

The spelling of 12102102110201 in words is "twelve trillion, one hundred two billion, one hundred two million, one hundred ten thousand, two hundred one".