42330550121 has 8 divisors (see below), whose sum is σ = 42380974080. Its totient is φ = 42280155792.

The previous prime is 42330550079. The next prime is 42330550177. The reversal of 42330550121 is 12105503324.

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 a de Polignac number, because none of the positive numbers 2^k-42330550121 is a prime.

It is a super-2 number, since 2×42330550121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42330550021) 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, 4091471 + ... + 4101803.

It is an arithmetic number, because the mean of its divisors is an integer number (5297621760).

Almost surely, 2^42330550121 is an apocalyptic number.

It is an amenable number.

42330550121 is a deficient number, since it is larger than the sum of its proper divisors (50423959).

42330550121 is a wasteful number, since it uses less digits than its factorization.

42330550121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14815.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 42330550121 in words is "forty-two billion, three hundred thirty million, five hundred fifty thousand, one hundred twenty-one".