219794150111 has 2 divisors, whose sum is σ = 219794150112. Its totient is φ = 219794150110.

The previous prime is 219794150087. The next prime is 219794150117. The reversal of 219794150111 is 111051497912.

219794150111 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 a cyclic number.

It is not a de Polignac number, because 219794150111 - 2⁶ = 219794150047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219794150117) 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, 109897075055 + 109897075056.

It is an arithmetic number, because the mean of its divisors is an integer number (109897075056).

Almost surely, 2^219794150111 is an apocalyptic number.

219794150111 is a deficient number, since it is larger than the sum of its proper divisors (1).

219794150111 is an equidigital number, since it uses as much as digits as its factorization.

219794150111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 41.

The spelling of 219794150111 in words is "two hundred nineteen billion, seven hundred ninety-four million, one hundred fifty thousand, one hundred eleven".