42021322003 has 4 divisors (see below), whose sum is σ = 42023034040. Its totient is φ = 42019609968.

The previous prime is 42021321997. The next prime is 42021322019. The reversal of 42021322003 is 30022312024.

42021322003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42021322003 - 2⁵ = 42021321971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42021322043) 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, 818658 + ... + 868471.

It is an arithmetic number, because the mean of its divisors is an integer number (10505758510).

Almost surely, 2^42021322003 is an apocalyptic number.

42021322003 is a deficient number, since it is larger than the sum of its proper divisors (1712037).

42021322003 is a wasteful number, since it uses less digits than its factorization.

42021322003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712036.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 42021322003 its reverse (30022312024), we get a palindrome (72043634027).

The spelling of 42021322003 in words is "forty-two billion, twenty-one million, three hundred twenty-two thousand, three".