21123014110 has 16 divisors (see below), whose sum is σ = 41477918832. Its totient is φ = 7681096000.

The previous prime is 21123014083. The next prime is 21123014119. The reversal of 21123014110 is 1141032112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21123014119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96013591 + ... + 96013810.

It is an arithmetic number, because the mean of its divisors is an integer number (2592369927).

Almost surely, 2^21123014110 is an apocalyptic number.

21123014110 is a deficient number, since it is larger than the sum of its proper divisors (20354904722).

21123014110 is a wasteful number, since it uses less digits than its factorization.

21123014110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192027419.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21123014110 its reverse (1141032112), we get a palindrome (22264046222).

The spelling of 21123014110 in words is "twenty-one billion, one hundred twenty-three million, fourteen thousand, one hundred ten".