42021103441 has 4 divisors (see below), whose sum is σ = 42023531584. Its totient is φ = 42018675300.

The previous prime is 42021103433. The next prime is 42021103447. The reversal of 42021103441 is 14430112024.

It is a happy number.

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 42021103441 - 2³ = 42021103433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42021103447) 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, 1187925 + ... + 1222786.

It is an arithmetic number, because the mean of its divisors is an integer number (10505882896).

Almost surely, 2^42021103441 is an apocalyptic number.

It is an amenable number.

42021103441 is a deficient number, since it is larger than the sum of its proper divisors (2428143).

42021103441 is a wasteful number, since it uses less digits than its factorization.

42021103441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428142.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 42021103441 its reverse (14430112024), we get a palindrome (56451215465).

The spelling of 42021103441 in words is "forty-two billion, twenty-one million, one hundred three thousand, four hundred forty-one".