42320111011 has 2 divisors, whose sum is σ = 42320111012. Its totient is φ = 42320111010.

The previous prime is 42320110999. The next prime is 42320111039. The reversal of 42320111011 is 11011102324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42320111011 - 2¹⁹ = 42319586723 is a prime.

It is not a weakly prime, because it can be changed into another prime (42320111051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21160055505 + 21160055506.

It is an arithmetic number, because the mean of its divisors is an integer number (21160055506).

Almost surely, 2^42320111011 is an apocalyptic number.

42320111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

42320111011 is an equidigital number, since it uses as much as digits as its factorization.

42320111011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 42320111011 its reverse (11011102324), we get a palindrome (53331213335).

The spelling of 42320111011 in words is "forty-two billion, three hundred twenty million, one hundred eleven thousand, eleven".