421057471121 has 8 divisors (see below), whose sum is σ = 482908924224. Its totient is φ = 359631114480.

The previous prime is 421057471117. The next prime is 421057471157. The reversal of 421057471121 is 121174750124.

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 421057471121 - 2² = 421057471117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421057471181) 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, 106271990 + ... + 106275951.

It is an arithmetic number, because the mean of its divisors is an integer number (60363615528).

Almost surely, 2^421057471121 is an apocalyptic number.

It is an amenable number.

421057471121 is a deficient number, since it is larger than the sum of its proper divisors (61851453103).

421057471121 is a wasteful number, since it uses less digits than its factorization.

421057471121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212548231.

The product of its (nonzero) digits is 15680, while the sum is 35.

The spelling of 421057471121 in words is "four hundred twenty-one billion, fifty-seven million, four hundred seventy-one thousand, one hundred twenty-one".