421411101 has 4 divisors (see below), whose sum is σ = 561881472. Its totient is φ = 280940732.

The previous prime is 421411063. The next prime is 421411103. The reversal of 421411101 is 101114124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421411101 - 2⁹ = 421410589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421411103) 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, 70235181 + ... + 70235186.

It is an arithmetic number, because the mean of its divisors is an integer number (140470368).

Almost surely, 2^421411101 is an apocalyptic number.

It is an amenable number.

421411101 is a deficient number, since it is larger than the sum of its proper divisors (140470371).

421411101 is a wasteful number, since it uses less digits than its factorization.

421411101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140470370.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 421411101 is about 20528.3000026792. The cubic root of 421411101 is about 749.7249960650.

Adding to 421411101 its reverse (101114124), we get a palindrome (522525225).

The spelling of 421411101 in words is "four hundred twenty-one million, four hundred eleven thousand, one hundred one".