21240114132 has 24 divisors (see below), whose sum is σ = 51158985472. Its totient is φ = 6851649600.

The previous prime is 21240114113. The next prime is 21240114169. The reversal of 21240114132 is 23141104212.

It is a super-2 number, since 2×21240114132² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21240114099 and 21240114108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28548169 + ... + 28548912.

Almost surely, 2^21240114132 is an apocalyptic number.

It is an amenable number.

21240114132 is an abundant number, since it is smaller than the sum of its proper divisors (29918871340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21240114132 is a wasteful number, since it uses less digits than its factorization.

21240114132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57097119 (or 57097117 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21240114132 its reverse (23141104212), we get a palindrome (44381218344).

The spelling of 21240114132 in words is "twenty-one billion, two hundred forty million, one hundred fourteen thousand, one hundred thirty-two".