111100211093819 has 2 divisors, whose sum is σ = 111100211093820. Its totient is φ = 111100211093818.

The previous prime is 111100211093803. The next prime is 111100211093881. The reversal of 111100211093819 is 918390112001111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111100211093819 - 2⁴ = 111100211093803 is a prime.

It is a super-2 number, since 2×111100211093819² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111100211023819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550105546909 + 55550105546910.

It is an arithmetic number, because the mean of its divisors is an integer number (55550105546910).

Almost surely, 2^{111100211093819} is an apocalyptic number.

111100211093819 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100211093819 is an equidigital number, since it uses as much as digits as its factorization.

111100211093819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 38.

The spelling of 111100211093819 in words is "one hundred eleven trillion, one hundred billion, two hundred eleven million, ninety-three thousand, eight hundred nineteen".