12112102210101 has 4 divisors (see below), whose sum is σ = 16149469613472. Its totient is φ = 8074734806732.

The previous prime is 12112102210073. The next prime is 12112102210139. The reversal of 12112102210101 is 10101220121121.

It is a happy number.

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 12112102210101 - 2¹³ = 12112102201909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112102210181) 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, 2018683701681 + ... + 2018683701686.

It is an arithmetic number, because the mean of its divisors is an integer number (4037367403368).

Almost surely, 2^{12112102210101} is an apocalyptic number.

It is an amenable number.

12112102210101 is a deficient number, since it is larger than the sum of its proper divisors (4037367403371).

12112102210101 is an equidigital number, since it uses as much as digits as its factorization.

12112102210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037367403370.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12112102210101 its reverse (10101220121121), we get a palindrome (22213322331222).

The spelling of 12112102210101 in words is "twelve trillion, one hundred twelve billion, one hundred two million, two hundred ten thousand, one hundred one".