42121130341 has 4 divisors (see below), whose sum is σ = 42271027884. Its totient is φ = 41971232800.

The previous prime is 42121130327. The next prime is 42121130357. The reversal of 42121130341 is 14303112124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14053154116 + 28067976225 = 118546^2 + 167535^2 .

It is a cyclic number.

It is not a de Polignac number, because 42121130341 - 2¹³ = 42121122149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42121100341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74948350 + ... + 74948911.

It is an arithmetic number, because the mean of its divisors is an integer number (10567756971).

Almost surely, 2^42121130341 is an apocalyptic number.

It is an amenable number.

42121130341 is a deficient number, since it is larger than the sum of its proper divisors (149897543).

42121130341 is a wasteful number, since it uses less digits than its factorization.

42121130341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149897542.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 42121130341 its reverse (14303112124), we get a palindrome (56424242465).

The spelling of 42121130341 in words is "forty-two billion, one hundred twenty-one million, one hundred thirty thousand, three hundred forty-one".