21113303110 has 32 divisors (see below), whose sum is σ = 38169042912. Its totient is φ = 8408682240.

The previous prime is 21113303093. The next prime is 21113303117. The reversal of 21113303110 is 1130331112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113303117) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5272369 + ... + 5276371.

It is an arithmetic number, because the mean of its divisors is an integer number (1192782591).

Almost surely, 2^21113303110 is an apocalyptic number.

21113303110 is a deficient number, since it is larger than the sum of its proper divisors (17055739802).

21113303110 is a wasteful number, since it uses less digits than its factorization.

21113303110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 21113303110 its reverse (1130331112), we get a palindrome (22243634222).

The spelling of 21113303110 in words is "twenty-one billion, one hundred thirteen million, three hundred three thousand, one hundred ten".