842130100111 has 2 divisors, whose sum is σ = 842130100112. Its totient is φ = 842130100110.

The previous prime is 842130100109. The next prime is 842130100129. The reversal of 842130100111 is 111001031248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842130100111 - 2¹ = 842130100109 is a prime.

Together with 842130100109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842130110111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421065050055 + 421065050056.

It is an arithmetic number, because the mean of its divisors is an integer number (421065050056).

Almost surely, 2^842130100111 is an apocalyptic number.

842130100111 is a deficient number, since it is larger than the sum of its proper divisors (1).

842130100111 is an equidigital number, since it uses as much as digits as its factorization.

842130100111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 842130100111 its reverse (111001031248), we get a palindrome (953131131359).

The spelling of 842130100111 in words is "eight hundred forty-two billion, one hundred thirty million, one hundred thousand, one hundred eleven".