42021134011 has 4 divisors (see below), whose sum is σ = 42027555024. Its totient is φ = 42014713000.

The previous prime is 42021134003. The next prime is 42021134083. The reversal of 42021134011 is 11043112024.

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 42021134011 - 2³ = 42021134003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42021134011.

It is not an unprimeable number, because it can be changed into a prime (42021134611) 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, 3200680 + ... + 3213781.

It is an arithmetic number, because the mean of its divisors is an integer number (10506888756).

Almost surely, 2^42021134011 is an apocalyptic number.

42021134011 is a deficient number, since it is larger than the sum of its proper divisors (6421013).

42021134011 is an equidigital number, since it uses as much as digits as its factorization.

42021134011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421012.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 42021134011 its reverse (11043112024), we get a palindrome (53064246035).

The spelling of 42021134011 in words is "forty-two billion, twenty-one million, one hundred thirty-four thousand, eleven".