42030210021 has 8 divisors (see below), whose sum is σ = 56056174080. Its totient is φ = 28012192992.

The previous prime is 42030210017. The next prime is 42030210029. The reversal of 42030210021 is 12001203024.

42030210021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42030210021 - 2² = 42030210017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030210029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974405 + ... + 1995578.

It is an arithmetic number, because the mean of its divisors is an integer number (7007021760).

Almost surely, 2^42030210021 is an apocalyptic number.

It is an amenable number.

42030210021 is a deficient number, since it is larger than the sum of its proper divisors (14025964059).

42030210021 is a wasteful number, since it uses less digits than its factorization.

42030210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973515.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 42030210021 its reverse (12001203024), we get a palindrome (54031413045).

The spelling of 42030210021 in words is "forty-two billion, thirty million, two hundred ten thousand, twenty-one".