420112011 has 16 divisors (see below), whose sum is σ = 612350208. Its totient is φ = 254080800.

The previous prime is 420111961. The next prime is 420112013. The reversal of 420112011 is 110211024.

It is a happy number.

It is not a de Polignac number, because 420112011 - 2⁹ = 420111499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420112013) 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 15 ways as a sum of consecutive naturals, for example, 3001 + ... + 29141.

It is an arithmetic number, because the mean of its divisors is an integer number (38271888).

Almost surely, 2^420112011 is an apocalyptic number.

420112011 is a deficient number, since it is larger than the sum of its proper divisors (192238197).

420112011 is a wasteful number, since it uses less digits than its factorization.

420112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26642.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 420112011 is about 20496.6341383165. The cubic root of 420112011 is about 748.9538070969.

Adding to 420112011 its reverse (110211024), we get a palindrome (530323035).

The spelling of 420112011 in words is "four hundred twenty million, one hundred twelve thousand, eleven".