421105411 has 4 divisors (see below), whose sum is σ = 421316824. Its totient is φ = 420894000.

The previous prime is 421105409. The next prime is 421105423. The reversal of 421105411 is 114501124.

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

It is a cyclic number.

It is not a de Polignac number, because 421105411 - 2¹ = 421105409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421105441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102690 + ... + 106711.

It is an arithmetic number, because the mean of its divisors is an integer number (105329206).

Almost surely, 2^421105411 is an apocalyptic number.

421105411 is a deficient number, since it is larger than the sum of its proper divisors (211413).

421105411 is a wasteful number, since it uses less digits than its factorization.

421105411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211412.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 421105411 is about 20520.8530768095. The cubic root of 421105411 is about 749.5436696657.

Adding to 421105411 its reverse (114501124), we get a palindrome (535606535).

The spelling of 421105411 in words is "four hundred twenty-one million, one hundred five thousand, four hundred eleven".