21235114 has 16 divisors (see below), whose sum is σ = 33209568. Its totient is φ = 10174032.

The previous prime is 21235111. The next prime is 21235127. The reversal of 21235114 is 41153212.

It is a junction number, because it is equal to n+sod(n) for n = 21235091 and 21235100.

It is not an unprimeable number, because it can be changed into a prime (21235111) 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, 2817 + ... + 7099.

It is an arithmetic number, because the mean of its divisors is an integer number (2075598).

Almost surely, 2^21235114 is an apocalyptic number.

21235114 is a deficient number, since it is larger than the sum of its proper divisors (11974454).

21235114 is a wasteful number, since it uses less digits than its factorization.

21235114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389.

The product of its digits is 240, while the sum is 19.

The square root of 21235114 is about 4608.1573323835. The cubic root of 21235114 is about 276.9182205899.

Adding to 21235114 its reverse (41153212), we get a palindrome (62388326).

It can be divided in two parts, 21 and 235114, that multiplied together give a palindrome (4937394).

The spelling of 21235114 in words is "twenty-one million, two hundred thirty-five thousand, one hundred fourteen".