21330032321311 has 32 divisors (see below), whose sum is σ = 26074603192320. Its totient is φ = 17041892162400.

The previous prime is 21330032321291. The next prime is 21330032321317. The reversal of 21330032321311 is 11312323003312.

It is not a de Polignac number, because 21330032321311 - 2¹³ = 21330032313119 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 (21330032321317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2336290 + ... + 6936736.

It is an arithmetic number, because the mean of its divisors is an integer number (814831349760).

Almost surely, 2^{21330032321311} is an apocalyptic number.

21330032321311 is a deficient number, since it is larger than the sum of its proper divisors (4744570871009).

21330032321311 is a wasteful number, since it uses less digits than its factorization.

21330032321311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601035.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 21330032321311 its reverse (11312323003312), we get a palindrome (32642355324623).

The spelling of 21330032321311 in words is "twenty-one trillion, three hundred thirty billion, thirty-two million, three hundred twenty-one thousand, three hundred eleven".