12102200101 has 4 divisors (see below), whose sum is σ = 12138112012. Its totient is φ = 12066288192.

The previous prime is 12102200087. The next prime is 12102200113. The reversal of 12102200101 is 10100220121.

12102200101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 110010²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10100220121 = 5081 ⋅1987841.

It can be written as a sum of positive squares in 2 ways, for example, as 3263379876 + 8838820225 = 57126^2 + 94015^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102200101 - 2⁹ = 12102199589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102200141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17955450 + ... + 17956123.

It is an arithmetic number, because the mean of its divisors is an integer number (3034528003).

Almost surely, 2^12102200101 is an apocalyptic number.

It is an amenable number.

12102200101 is a deficient number, since it is larger than the sum of its proper divisors (35911911).

12102200101 is an equidigital number, since it uses as much as digits as its factorization.

12102200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35911910.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12102200101 its reverse (10100220121), we get a palindrome (22202420222).

The spelling of 12102200101 in words is "twelve billion, one hundred two million, two hundred thousand, one hundred one".