42121012141 has 8 divisors (see below), whose sum is σ = 46038122144. Its totient is φ = 38300621040.

The previous prime is 42121012099. The next prime is 42121012147. The reversal of 42121012141 is 14121012124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42121012141 - 2¹¹ = 42121010093 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 (42121012147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24178815 + ... + 24180556.

It is an arithmetic number, because the mean of its divisors is an integer number (5754765268).

Almost surely, 2^42121012141 is an apocalyptic number.

It is an amenable number.

42121012141 is a deficient number, since it is larger than the sum of its proper divisors (3917110003).

42121012141 is a wasteful number, since it uses less digits than its factorization.

42121012141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48359451.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 42121012141 its reverse (14121012124), we get a palindrome (56242024265).

The spelling of 42121012141 in words is "forty-two billion, one hundred twenty-one million, twelve thousand, one hundred forty-one".