12100111012219 has 2 divisors, whose sum is σ = 12100111012220. Its totient is φ = 12100111012218.

The previous prime is 12100111012217. The next prime is 12100111012261. The reversal of 12100111012219 is 91221011100121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12100111012219 - 2¹ = 12100111012217 is a prime.

It is a super-2 number, since 2×12100111012219² (a number of 27 digits) contains 22 as substring.

Together with 12100111012217, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12100111012219.

It is not a weakly prime, because it can be changed into another prime (12100111012217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050055506109 + 6050055506110.

It is an arithmetic number, because the mean of its divisors is an integer number (6050055506110).

Almost surely, 2^{12100111012219} is an apocalyptic number.

12100111012219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100111012219 is an equidigital number, since it uses as much as digits as its factorization.

12100111012219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 12100111012219 in words is "twelve trillion, one hundred billion, one hundred eleven million, twelve thousand, two hundred nineteen".