21113341342 has 8 divisors (see below), whose sum is σ = 32103848016. Its totient is φ = 10412058672.

The previous prime is 21113341321. The next prime is 21113341409. The reversal of 21113341342 is 24314331112.

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

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, 72305818 + ... + 72306109.

It is an arithmetic number, because the mean of its divisors is an integer number (4012981002).

Almost surely, 2^21113341342 is an apocalyptic number.

21113341342 is a deficient number, since it is larger than the sum of its proper divisors (10990506674).

21113341342 is a wasteful number, since it uses less digits than its factorization.

21113341342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144612002.

The product of its digits is 1728, while the sum is 25.

Adding to 21113341342 its reverse (24314331112), we get a palindrome (45427672454).

The spelling of 21113341342 in words is "twenty-one billion, one hundred thirteen million, three hundred forty-one thousand, three hundred forty-two".