420134110211 has 4 divisors (see below), whose sum is σ = 420148784352. Its totient is φ = 420119436072.

The previous prime is 420134110181. The next prime is 420134110217. The reversal of 420134110211 is 112011431024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420134110211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420134110217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7294040 + ... + 7351413.

It is an arithmetic number, because the mean of its divisors is an integer number (105037196088).

Almost surely, 2^420134110211 is an apocalyptic number.

420134110211 is a deficient number, since it is larger than the sum of its proper divisors (14674141).

420134110211 is a wasteful number, since it uses less digits than its factorization.

420134110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674140.

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

Adding to 420134110211 its reverse (112011431024), we get a palindrome (532145541235).

The spelling of 420134110211 in words is "four hundred twenty billion, one hundred thirty-four million, one hundred ten thousand, two hundred eleven".