21323301411 has 16 divisors (see below), whose sum is σ = 28654079360. Its totient is φ = 14104419840.

The previous prime is 21323301367. The next prime is 21323301421. The reversal of 21323301411 is 11410332312.

It is not a de Polignac number, because 21323301411 - 2¹⁷ = 21323170339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21323301421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170856 + ... + 268026.

It is an arithmetic number, because the mean of its divisors is an integer number (1790879960).

Almost surely, 2^21323301411 is an apocalyptic number.

21323301411 is a deficient number, since it is larger than the sum of its proper divisors (7330777949).

21323301411 is a wasteful number, since it uses less digits than its factorization.

21323301411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97746.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21323301411 its reverse (11410332312), we get a palindrome (32733633723).

The spelling of 21323301411 in words is "twenty-one billion, three hundred twenty-three million, three hundred one thousand, four hundred eleven".