42243411101 has 2 divisors, whose sum is σ = 42243411102. Its totient is φ = 42243411100.

The previous prime is 42243411073. The next prime is 42243411103. The reversal of 42243411101 is 10111434224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31034107225 + 11209303876 = 176165^2 + 105874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42243411101 is a prime.

Together with 42243411103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42243411103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121705550 + 21121705551.

It is an arithmetic number, because the mean of its divisors is an integer number (21121705551).

Almost surely, 2^42243411101 is an apocalyptic number.

It is an amenable number.

42243411101 is a deficient number, since it is larger than the sum of its proper divisors (1).

42243411101 is an equidigital number, since it uses as much as digits as its factorization.

42243411101 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 23.

Adding to 42243411101 its reverse (10111434224), we get a palindrome (52354845325).

The spelling of 42243411101 in words is "forty-two billion, two hundred forty-three million, four hundred eleven thousand, one hundred one".