21332103023211 has 4 divisors (see below), whose sum is σ = 28442804030952. Its totient is φ = 14221402015472.

The previous prime is 21332103023177. The next prime is 21332103023263. The reversal of 21332103023211 is 11232030123312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21332103023211 - 2¹⁰ = 21332103022187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21332103023291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555350503866 + ... + 3555350503871.

It is an arithmetic number, because the mean of its divisors is an integer number (7110701007738).

Almost surely, 2^{21332103023211} is an apocalyptic number.

21332103023211 is a deficient number, since it is larger than the sum of its proper divisors (7110701007741).

21332103023211 is an equidigital number, since it uses as much as digits as its factorization.

21332103023211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110701007740.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21332103023211 its reverse (11232030123312), we get a palindrome (32564133146523).

The spelling of 21332103023211 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred three million, twenty-three thousand, two hundred eleven".