21033310022 has 8 divisors (see below), whose sum is σ = 31715148672. Its totient is φ = 10461593800.

The previous prime is 21033310019. The next prime is 21033310057. The reversal of 21033310022 is 22001333012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27530129 + ... + 27530892.

It is an arithmetic number, because the mean of its divisors is an integer number (3964393584).

Almost surely, 2^21033310022 is an apocalyptic number.

21033310022 is a deficient number, since it is larger than the sum of its proper divisors (10681838650).

21033310022 is a wasteful number, since it uses less digits than its factorization.

21033310022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55061214.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21033310022 its reverse (22001333012), we get a palindrome (43034643034).

The spelling of 21033310022 in words is "twenty-one billion, thirty-three million, three hundred ten thousand, twenty-two".