21022103330 has 8 divisors (see below), whose sum is σ = 37839786012. Its totient is φ = 8408841328.

The previous prime is 21022103309. The next prime is 21022103351. The reversal of 21022103330 is 3330122012.

It is an interprime number because it is at equal distance from previous prime (21022103309) and next prime (21022103351).

It can be written as a sum of positive squares in 2 ways, for example, as 20654576089 + 367527241 = 143717^2 + 19171^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21022103299 and 21022103308.

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, 1051105157 + ... + 1051105176.

Almost surely, 2^21022103330 is an apocalyptic number.

21022103330 is a deficient number, since it is larger than the sum of its proper divisors (16817682682).

21022103330 is a wasteful number, since it uses less digits than its factorization.

21022103330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102210340.

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

Adding to 21022103330 its reverse (3330122012), we get a palindrome (24352225342).

The spelling of 21022103330 in words is "twenty-one billion, twenty-two million, one hundred three thousand, three hundred thirty".