21030024211 has 8 divisors (see below), whose sum is σ = 24040879200. Its totient is φ = 18020810688.

The previous prime is 21030024173. The next prime is 21030024269. The reversal of 21030024211 is 11242003012.

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

It is a cyclic number.

It is not a de Polignac number, because 21030024211 - 2⁷ = 21030024083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21030024271) 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, 382786 + ... + 434263.

It is an arithmetic number, because the mean of its divisors is an integer number (3005109900).

Almost surely, 2^21030024211 is an apocalyptic number.

21030024211 is a deficient number, since it is larger than the sum of its proper divisors (3010854989).

21030024211 is an equidigital number, since it uses as much as digits as its factorization.

21030024211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820733.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21030024211 its reverse (11242003012), we get a palindrome (32272027223).

The spelling of 21030024211 in words is "twenty-one billion, thirty million, twenty-four thousand, two hundred eleven".