42121424401 has 8 divisors (see below), whose sum is σ = 48326083200. Its totient is φ = 35963593728.

The previous prime is 42121424383. The next prime is 42121424447. The reversal of 42121424401 is 10442412124.

It is a happy number.

42121424401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42121424401 - 2¹¹ = 42121422353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42121424801) 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, 11705101 + ... + 11708698.

It is an arithmetic number, because the mean of its divisors is an integer number (6040760400).

Almost surely, 2^42121424401 is an apocalyptic number.

It is an amenable number.

42121424401 is a deficient number, since it is larger than the sum of its proper divisors (6204658799).

42121424401 is a wasteful number, since it uses less digits than its factorization.

42121424401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23414063.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 42121424401 its reverse (10442412124), we get a palindrome (52563836525).

The spelling of 42121424401 in words is "forty-two billion, one hundred twenty-one million, four hundred twenty-four thousand, four hundred one".