21100323110 has 16 divisors (see below), whose sum is σ = 37985598000. Its totient is φ = 8439014496.

The previous prime is 21100323103. The next prime is 21100323113. The reversal of 21100323110 is 1132300112.

21100323110 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21100323113) 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 7 ways as a sum of consecutive naturals, for example, 57560 + ... + 213339.

It is an arithmetic number, because the mean of its divisors is an integer number (2374099875).

Almost surely, 2^21100323110 is an apocalyptic number.

21100323110 is a deficient number, since it is larger than the sum of its proper divisors (16885274890).

21100323110 is a wasteful number, since it uses less digits than its factorization.

21100323110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278695.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21100323110 its reverse (1132300112), we get a palindrome (22232623222).

The spelling of 21100323110 in words is "twenty-one billion, one hundred million, three hundred twenty-three thousand, one hundred ten".