21330003110212 has 24 divisors (see below), whose sum is σ = 38677043260800. Its totient is φ = 10280607558816.

The previous prime is 21330003110197. The next prime is 21330003110233. The reversal of 21330003110212 is 21201130003312.

It is a self number, because there is not a number n which added to its sum of digits gives 21330003110212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148457548 + ... + 148601155.

It is an arithmetic number, because the mean of its divisors is an integer number (1611543469200).

Almost surely, 2^{21330003110212} is an apocalyptic number.

It is an amenable number.

21330003110212 is a deficient number, since it is larger than the sum of its proper divisors (17347040150588).

21330003110212 is a wasteful number, since it uses less digits than its factorization.

21330003110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297059355 (or 297059353 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21330003110212 its reverse (21201130003312), we get a palindrome (42531133113524).

The spelling of 21330003110212 in words is "twenty-one trillion, three hundred thirty billion, three million, one hundred ten thousand, two hundred twelve".