21323033110 has 32 divisors (see below), whose sum is σ = 39139718400. Its totient is φ = 8362055520.

The previous prime is 21323033107. The next prime is 21323033183. The reversal of 21323033110 is 1133032312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43201 + ... + 210979.

It is an arithmetic number, because the mean of its divisors is an integer number (1223116200).

Almost surely, 2^21323033110 is an apocalyptic number.

21323033110 is a deficient number, since it is larger than the sum of its proper divisors (17816685290).

21323033110 is a wasteful number, since it uses less digits than its factorization.

21323033110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168036.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21323033110 its reverse (1133032312), we get a palindrome (22456065422).

The spelling of 21323033110 in words is "twenty-one billion, three hundred twenty-three million, thirty-three thousand, one hundred ten".