42412321111 has 2 divisors, whose sum is σ = 42412321112. Its totient is φ = 42412321110.

The previous prime is 42412321079. The next prime is 42412321129. The reversal of 42412321111 is 11112321424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42412321111 - 2⁵ = 42412321079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42412321181) 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, 21206160555 + 21206160556.

It is an arithmetic number, because the mean of its divisors is an integer number (21206160556).

Almost surely, 2^42412321111 is an apocalyptic number.

42412321111 is a deficient number, since it is larger than the sum of its proper divisors (1).

42412321111 is an equidigital number, since it uses as much as digits as its factorization.

42412321111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 22.

Adding to 42412321111 its reverse (11112321424), we get a palindrome (53524642535).

The spelling of 42412321111 in words is "forty-two billion, four hundred twelve million, three hundred twenty-one thousand, one hundred eleven".