42121041301 has 2 divisors, whose sum is σ = 42121041302. Its totient is φ = 42121041300.

The previous prime is 42121041293. The next prime is 42121041331. The reversal of 42121041301 is 10314012124.

42121041301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41932391076 + 188650225 = 204774^2 + 13735^2 .

It is a cyclic number.

It is not a de Polignac number, because 42121041301 - 2³ = 42121041293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42121041331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21060520650 + 21060520651.

It is an arithmetic number, because the mean of its divisors is an integer number (21060520651).

Almost surely, 2^42121041301 is an apocalyptic number.

It is an amenable number.

42121041301 is a deficient number, since it is larger than the sum of its proper divisors (1).

42121041301 is an equidigital number, since it uses as much as digits as its factorization.

42121041301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 42121041301 its reverse (10314012124), we get a palindrome (52435053425).

The spelling of 42121041301 in words is "forty-two billion, one hundred twenty-one million, forty-one thousand, three hundred one".