421413210101 has 4 divisors (see below), whose sum is σ = 453829610892. Its totient is φ = 388996809312.

The previous prime is 421413210091. The next prime is 421413210143. The reversal of 421413210101 is 101012314124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 231991539025 + 189421671076 = 481655^2 + 435226^2 .

It is a cyclic number.

It is not a de Polignac number, because 421413210101 - 2¹⁴ = 421413193717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421413210191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16208200376 + ... + 16208200401.

It is an arithmetic number, because the mean of its divisors is an integer number (113457402723).

Almost surely, 2^421413210101 is an apocalyptic number.

It is an amenable number.

421413210101 is a deficient number, since it is larger than the sum of its proper divisors (32416400791).

421413210101 is a wasteful number, since it uses less digits than its factorization.

421413210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32416400790.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 421413210101 its reverse (101012314124), we get a palindrome (522425524225).

The spelling of 421413210101 in words is "four hundred twenty-one billion, four hundred thirteen million, two hundred ten thousand, one hundred one".