12100020110201 has 6 divisors (see below), whose sum is σ = 12188986124910. Its totient is φ = 12011698776896.

The previous prime is 12100020110179. The next prime is 12100020110207. The reversal of 12100020110201 is 10201102000121.

It can be written as a sum of positive squares in 3 ways, for example, as 4184688013801 + 7915332096400 = 2045651^2 + 2813420^2 .

It is not a de Polignac number, because 12100020110201 - 2³⁸ = 11825142203257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100020110207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322321796 + ... + 322359333.

It is an arithmetic number, because the mean of its divisors is an integer number (2031497687485).

Almost surely, 2^{12100020110201} is an apocalyptic number.

It is an amenable number.

12100020110201 is a deficient number, since it is larger than the sum of its proper divisors (88966014709).

12100020110201 is an frugal number, since it uses more digits than its factorization.

12100020110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644681403 (or 644681266 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12100020110201 its reverse (10201102000121), we get a palindrome (22301122110322).

The spelling of 12100020110201 in words is "twelve trillion, one hundred billion, twenty million, one hundred ten thousand, two hundred one".