21332103023111 has 2 divisors, whose sum is σ = 21332103023112. Its totient is φ = 21332103023110.

The previous prime is 21332103023089. The next prime is 21332103023177. The reversal of 21332103023111 is 11132030123312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21332103023111 - 2¹⁸ = 21332102760967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21332103023911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10666051511555 + 10666051511556.

It is an arithmetic number, because the mean of its divisors is an integer number (10666051511556).

Almost surely, 2^{21332103023111} is an apocalyptic number.

21332103023111 is a deficient number, since it is larger than the sum of its proper divisors (1).

21332103023111 is an equidigital number, since it uses as much as digits as its factorization.

21332103023111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21332103023111 its reverse (11132030123312), we get a palindrome (32464133146423).

The spelling of 21332103023111 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred three million, twenty-three thousand, one hundred eleven".