42401242111 has 2 divisors, whose sum is σ = 42401242112. Its totient is φ = 42401242110.

The previous prime is 42401242097. The next prime is 42401242159. The reversal of 42401242111 is 11124210424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42401242111 - 2²¹ = 42399144959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42401242181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21200621055 + 21200621056.

It is an arithmetic number, because the mean of its divisors is an integer number (21200621056).

Almost surely, 2^42401242111 is an apocalyptic number.

42401242111 is a deficient number, since it is larger than the sum of its proper divisors (1).

42401242111 is an equidigital number, since it uses as much as digits as its factorization.

42401242111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 42401242111 its reverse (11124210424), we get a palindrome (53525452535).

The spelling of 42401242111 in words is "forty-two billion, four hundred one million, two hundred forty-two thousand, one hundred eleven".