21332103023911 has 2 divisors, whose sum is σ = 21332103023912. Its totient is φ = 21332103023910.

The previous prime is 21332103023899. The next prime is 21332103024053. The reversal of 21332103023911 is 11932030123312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21332103023911 - 2⁷ = 21332103023783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21332103023111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10666051511955 + 10666051511956.

It is an arithmetic number, because the mean of its divisors is an integer number (10666051511956).

Almost surely, 2^{21332103023911} is an apocalyptic number.

21332103023911 is a deficient number, since it is larger than the sum of its proper divisors (1).

21332103023911 is an equidigital number, since it uses as much as digits as its factorization.

21332103023911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 21332103023911 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred three million, twenty-three thousand, nine hundred eleven".