12102110101 has 4 divisors (see below), whose sum is σ = 12109874400. Its totient is φ = 12094345804.

The previous prime is 12102110099. The next prime is 12102110117. The reversal of 12102110101 is 10101120121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10101120121 = 22741 ⋅444181.

It is a cyclic number.

It is not a de Polignac number, because 12102110101 - 2¹ = 12102110099 is a prime.

It is a super-2 number, since 2×12102110101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102110191) 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, 3879811 + ... + 3882928.

It is an arithmetic number, because the mean of its divisors is an integer number (3027468600).

Almost surely, 2^12102110101 is an apocalyptic number.

It is an amenable number.

12102110101 is a deficient number, since it is larger than the sum of its proper divisors (7764299).

12102110101 is an equidigital number, since it uses as much as digits as its factorization.

12102110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7764298.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12102110101 its reverse (10101120121), we get a palindrome (22203230222).

The spelling of 12102110101 in words is "twelve billion, one hundred two million, one hundred ten thousand, one hundred one".