21423112114 has 32 divisors (see below), whose sum is σ = 32976351936. Its totient is φ = 10435212480.

The previous prime is 21423112079. The next prime is 21423112127. The reversal of 21423112114 is 41121132412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4564509 + ... + 4569199.

It is an arithmetic number, because the mean of its divisors is an integer number (1030510998).

Almost surely, 2^21423112114 is an apocalyptic number.

21423112114 is a deficient number, since it is larger than the sum of its proper divisors (11553239822).

21423112114 is a wasteful number, since it uses less digits than its factorization.

21423112114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5130.

The product of its digits is 384, while the sum is 22.

Adding to 21423112114 its reverse (41121132412), we get a palindrome (62544244526).

The spelling of 21423112114 in words is "twenty-one billion, four hundred twenty-three million, one hundred twelve thousand, one hundred fourteen".