42021024213 has 8 divisors (see below), whose sum is σ = 64032036928. Its totient is φ = 24012013824.

The previous prime is 42021024193. The next prime is 42021024217. The reversal of 42021024213 is 31242012024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42021024213 - 2¹³ = 42021016021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2001001153 = 42021024213 / (4 + 2 + 0 + 2 + 1 + 0 + 2 + 4 + 2 + 1 + 3).

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 42021024213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021024217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000500556 + ... + 1000500597.

It is an arithmetic number, because the mean of its divisors is an integer number (8004004616).

Almost surely, 2^42021024213 is an apocalyptic number.

It is an amenable number.

42021024213 is a deficient number, since it is larger than the sum of its proper divisors (22011012715).

42021024213 is a wasteful number, since it uses less digits than its factorization.

42021024213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001001163.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42021024213 its reverse (31242012024), we get a palindrome (73263036237).

The spelling of 42021024213 in words is "forty-two billion, twenty-one million, twenty-four thousand, two hundred thirteen".