420242302111 has 2 divisors, whose sum is σ = 420242302112. Its totient is φ = 420242302110.

The previous prime is 420242302093. The next prime is 420242302121. The reversal of 420242302111 is 111203242024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420242302111 - 2²³ = 420233913503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420242302121) 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, 210121151055 + 210121151056.

It is an arithmetic number, because the mean of its divisors is an integer number (210121151056).

Almost surely, 2^420242302111 is an apocalyptic number.

420242302111 is a deficient number, since it is larger than the sum of its proper divisors (1).

420242302111 is an equidigital number, since it uses as much as digits as its factorization.

420242302111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 420242302111 its reverse (111203242024), we get a palindrome (531445544135).

The spelling of 420242302111 in words is "four hundred twenty billion, two hundred forty-two million, three hundred two thousand, one hundred eleven".