21342324101 has 8 divisors (see below), whose sum is σ = 24392873664. Its totient is φ = 18292186080.

The previous prime is 21342324089. The next prime is 21342324103. The reversal of 21342324101 is 10142324312.

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

It is not a de Polignac number, because 21342324101 - 2¹⁰ = 21342323077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21342324103) 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, 17666 + ... + 207356.

It is an arithmetic number, because the mean of its divisors is an integer number (3049109208).

Almost surely, 2^21342324101 is an apocalyptic number.

It is an amenable number.

21342324101 is a deficient number, since it is larger than the sum of its proper divisors (3050549563).

21342324101 is a wasteful number, since it uses less digits than its factorization.

21342324101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205771.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21342324101 its reverse (10142324312), we get a palindrome (31484648413).

The spelling of 21342324101 in words is "twenty-one billion, three hundred forty-two million, three hundred twenty-four thousand, one hundred one".