21434024110 has 8 divisors (see below), whose sum is σ = 38581243416. Its totient is φ = 8573609640.

The previous prime is 21434024081. The next prime is 21434024153. The reversal of 21434024110 is 1142043412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21434024110² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1071701196 + ... + 1071701215.

It is an arithmetic number, because the mean of its divisors is an integer number (4822655427).

Almost surely, 2^21434024110 is an apocalyptic number.

21434024110 is a deficient number, since it is larger than the sum of its proper divisors (17147219306).

21434024110 is a wasteful number, since it uses less digits than its factorization.

21434024110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143402418.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21434024110 its reverse (1142043412), we get a palindrome (22576067522).

The spelling of 21434024110 in words is "twenty-one billion, four hundred thirty-four million, twenty-four thousand, one hundred ten".