21330303021110 has 16 divisors (see below), whose sum is σ = 38394598158000. Its totient is φ = 8532109492896.

The previous prime is 21330303021101. The next prime is 21330303021211. The reversal of 21330303021110 is 1112030303312.

It is a congruent number.

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, 12782996 + ... + 14354984.

It is an arithmetic number, because the mean of its divisors is an integer number (2399662384875).

Almost surely, 2^{21330303021110} is an apocalyptic number.

21330303021110 is a deficient number, since it is larger than the sum of its proper divisors (17064295136890).

21330303021110 is a wasteful number, since it uses less digits than its factorization.

21330303021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928895.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21330303021110 its reverse (1112030303312), we get a palindrome (22442333324422).

The spelling of 21330303021110 in words is "twenty-one trillion, three hundred thirty billion, three hundred three million, twenty-one thousand, one hundred ten".