12111021202019 has 2 divisors, whose sum is σ = 12111021202020. Its totient is φ = 12111021202018.

The previous prime is 12111021202003. The next prime is 12111021202031. The reversal of 12111021202019 is 91020212011121.

It is a happy number.

12111021202019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (91020212011121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12111021202019 - 2⁴ = 12111021202003 is a prime.

It is a super-2 number, since 2×12111021202019² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12111021201985 and 12111021202003.

It is not a weakly prime, because it can be changed into another prime (12111021202099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055510601009 + 6055510601010.

It is an arithmetic number, because the mean of its divisors is an integer number (6055510601010).

Almost surely, 2^{12111021202019} is an apocalyptic number.

12111021202019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111021202019 is an equidigital number, since it uses as much as digits as its factorization.

12111021202019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 12111021202019 in words is "twelve trillion, one hundred eleven billion, twenty-one million, two hundred two thousand, nineteen".