21340012302211 has 8 divisors (see below), whose sum is σ = 21409478947584. Its totient is φ = 21270551101320.

The previous prime is 21340012302173. The next prime is 21340012302221. The reversal of 21340012302211 is 11220321004312.

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

It is a cyclic number.

It is not a de Polignac number, because 21340012302211 - 2¹¹ = 21340012300163 is a prime.

It is a super-3 number, since 3×21340012302211³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21340012302221) 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, 6565776 + ... + 9262258.

It is an arithmetic number, because the mean of its divisors is an integer number (2676184868448).

Almost surely, 2^{21340012302211} is an apocalyptic number.

21340012302211 is a deficient number, since it is larger than the sum of its proper divisors (69466645373).

21340012302211 is a wasteful number, since it uses less digits than its factorization.

21340012302211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722241.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21340012302211 its reverse (11220321004312), we get a palindrome (32560333306523).

The spelling of 21340012302211 in words is "twenty-one trillion, three hundred forty billion, twelve million, three hundred two thousand, two hundred eleven".