42121013241 has 8 divisors (see below), whose sum is σ = 56230603744. Its totient is φ = 28046049120.

The previous prime is 42121013219. The next prime is 42121013243. The reversal of 42121013241 is 14231012124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42121013241 - 2¹¹ = 42121011193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42121013243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8653756 + ... + 8658621.

It is an arithmetic number, because the mean of its divisors is an integer number (7028825468).

Almost surely, 2^42121013241 is an apocalyptic number.

It is an amenable number.

42121013241 is a deficient number, since it is larger than the sum of its proper divisors (14109590503).

42121013241 is a wasteful number, since it uses less digits than its factorization.

42121013241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17313191.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 42121013241 its reverse (14231012124), we get a palindrome (56352025365).

The spelling of 42121013241 in words is "forty-two billion, one hundred twenty-one million, thirteen thousand, two hundred forty-one".