21340245030411 has 8 divisors (see below), whose sum is σ = 29371520041984. Its totient is φ = 13767900019560.

The previous prime is 21340245030277. The next prime is 21340245030469. The reversal of 21340245030411 is 11403054204312.

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

It is not a de Polignac number, because 21340245030411 - 2⁹ = 21340245029899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21340245010411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114732500071 + ... + 114732500256.

It is an arithmetic number, because the mean of its divisors is an integer number (3671440005248).

Almost surely, 2^{21340245030411} is an apocalyptic number.

21340245030411 is a deficient number, since it is larger than the sum of its proper divisors (8031275011573).

21340245030411 is a wasteful number, since it uses less digits than its factorization.

21340245030411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229465000361.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 21340245030411 its reverse (11403054204312), we get a palindrome (32743299234723).

The spelling of 21340245030411 in words is "twenty-one trillion, three hundred forty billion, two hundred forty-five million, thirty thousand, four hundred eleven".