42121134201 has 8 divisors (see below), whose sum is σ = 56188430784. Its totient is φ = 28067296880.

The previous prime is 42121134163. The next prime is 42121134227. The reversal of 42121134201 is 10243112124.

42121134201 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 42121134201 - 2¹⁰ = 42121133177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42121134271) 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, 3357510 + ... + 3370031.

It is an arithmetic number, because the mean of its divisors is an integer number (7023553848).

Almost surely, 2^42121134201 is an apocalyptic number.

It is an amenable number.

42121134201 is a deficient number, since it is larger than the sum of its proper divisors (14067296583).

42121134201 is a wasteful number, since it uses less digits than its factorization.

42121134201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729631.

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

Adding to 42121134201 its reverse (10243112124), we get a palindrome (52364246325).

The spelling of 42121134201 in words is "forty-two billion, one hundred twenty-one million, one hundred thirty-four thousand, two hundred one".