421343422100101 has 8 divisors (see below), whose sum is σ = 421371719063064. Its totient is φ = 421315125980160.

The previous prime is 421343422100011. The next prime is 421343422100119. The reversal of 421343422100101 is 101001224343124.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 315895702637025 + 105447719463076 = 17773455^2 + 10268774^2 .

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 421343422100101 - 2²⁷ = 421343287882373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421343422100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421343422100191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230096781 + ... + 1230439261.

It is an arithmetic number, because the mean of its divisors is an integer number (52671464882883).

Almost surely, 2^{421343422100101} is an apocalyptic number.

It is an amenable number.

421343422100101 is a deficient number, since it is larger than the sum of its proper divisors (28296962963).

421343422100101 is a wasteful number, since it uses less digits than its factorization.

421343422100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421511.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 421343422100101 its reverse (101001224343124), we get a palindrome (522344646443225).

The spelling of 421343422100101 in words is "four hundred twenty-one trillion, three hundred forty-three billion, four hundred twenty-two million, one hundred thousand, one hundred one".