111214105019 has 2 divisors, whose sum is σ = 111214105020. Its totient is φ = 111214105018.

The previous prime is 111214105001. The next prime is 111214105021. The reversal of 111214105019 is 910501412111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111214105019 - 2²⁸ = 110945669563 is a prime.

It is a super-2 number, since 2×111214105019² (a number of 23 digits) contains 22 as substring.

Together with 111214105021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111214105039) 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, 55607052509 + 55607052510.

It is an arithmetic number, because the mean of its divisors is an integer number (55607052510).

Almost surely, 2^111214105019 is an apocalyptic number.

111214105019 is a deficient number, since it is larger than the sum of its proper divisors (1).

111214105019 is an equidigital number, since it uses as much as digits as its factorization.

111214105019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 26.

The spelling of 111214105019 in words is "one hundred eleven billion, two hundred fourteen million, one hundred five thousand, nineteen".