42211123079 has 2 divisors, whose sum is σ = 42211123080. Its totient is φ = 42211123078.

The previous prime is 42211123069. The next prime is 42211123091. The reversal of 42211123079 is 97032111224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42211123079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42211123069) 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, 21105561539 + 21105561540.

It is an arithmetic number, because the mean of its divisors is an integer number (21105561540).

Almost surely, 2^42211123079 is an apocalyptic number.

42211123079 is a deficient number, since it is larger than the sum of its proper divisors (1).

42211123079 is an equidigital number, since it uses as much as digits as its factorization.

42211123079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 42211123079 in words is "forty-two billion, two hundred eleven million, one hundred twenty-three thousand, seventy-nine".