12101111112019 has 2 divisors, whose sum is σ = 12101111112020. Its totient is φ = 12101111112018.

The previous prime is 12101111112011. The next prime is 12101111112113. The reversal of 12101111112019 is 91021111110121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101111112019 - 2³ = 12101111112011 is a prime.

It is a super-2 number, since 2×12101111112019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12101111112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050555556009 + 6050555556010.

It is an arithmetic number, because the mean of its divisors is an integer number (6050555556010).

Almost surely, 2^{12101111112019} is an apocalyptic number.

12101111112019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101111112019 is an equidigital number, since it uses as much as digits as its factorization.

12101111112019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 22.

The spelling of 12101111112019 in words is "twelve trillion, one hundred one billion, one hundred eleven million, one hundred twelve thousand, nineteen".