42021430011 has 24 divisors (see below), whose sum is σ = 66959596080. Its totient is φ = 25181376000.

The previous prime is 42021430001. The next prime is 42021430021. The reversal of 42021430011 is 11003412024.

42021430011 is a `hidden beast` number, since 420 + 214 + 30 + 0 + 1 + 1 = 666.

42021430011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42021430001) and next prime (42021430021).

It is not a de Polignac number, because 42021430011 - 2²⁶ = 41954321147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42021430001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2375790 + ... + 2393411.

It is an arithmetic number, because the mean of its divisors is an integer number (2789983170).

Almost surely, 2^42021430011 is an apocalyptic number.

42021430011 is a deficient number, since it is larger than the sum of its proper divisors (24938166069).

42021430011 is a wasteful number, since it uses less digits than its factorization.

42021430011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769307 (or 4769304 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 42021430011 its reverse (11003412024), we get a palindrome (53024842035).

The spelling of 42021430011 in words is "forty-two billion, twenty-one million, four hundred thirty thousand, eleven".