421413400333121 has 48 divisors (see below), whose sum is σ = 497482936828800. Its totient is φ = 349673580011520.

The previous prime is 421413400333097. The next prime is 421413400333213. The reversal of 421413400333121 is 121333004314124.

It is not a de Polignac number, because 421413400333121 - 2¹⁰ = 421413400332097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421413400333621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 883192550 + ... + 883669568.

It is an arithmetic number, because the mean of its divisors is an integer number (10364227850600).

Almost surely, 2^{421413400333121} is an apocalyptic number.

421413400333121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

421413400333121 is a deficient number, since it is larger than the sum of its proper divisors (76069536495679).

421413400333121 is a wasteful number, since it uses less digits than its factorization.

421413400333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477690 (or 477649 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 421413400333121 its reverse (121333004314124), we get a palindrome (542746404647245).

The spelling of 421413400333121 in words is "four hundred twenty-one trillion, four hundred thirteen billion, four hundred million, three hundred thirty-three thousand, one hundred twenty-one".