21033103021330 has 8 divisors (see below), whose sum is σ = 37859585438412. Its totient is φ = 8413241208528.

The previous prime is 21033103021319. The next prime is 21033103021351. The reversal of 21033103021330 is 3312030133012.

It can be written as a sum of positive squares in 2 ways, for example, as 20062757847609 + 970345173721 = 4479147^2 + 985061^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051655151057 + ... + 1051655151076.

Almost surely, 2^{21033103021330} is an apocalyptic number.

21033103021330 is a deficient number, since it is larger than the sum of its proper divisors (16826482417082).

21033103021330 is a wasteful number, since it uses less digits than its factorization.

21033103021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103310302140.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21033103021330 its reverse (3312030133012), we get a palindrome (24345133154342).

The spelling of 21033103021330 in words is "twenty-one trillion, thirty-three billion, one hundred three million, twenty-one thousand, three hundred thirty".