20103232111 has 2 divisors, whose sum is σ = 20103232112. Its totient is φ = 20103232110.

The previous prime is 20103232081. The next prime is 20103232181. The reversal of 20103232111 is 11123230102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20103232111 - 2⁷ = 20103231983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20103232181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051616055 + 10051616056.

It is an arithmetic number, because the mean of its divisors is an integer number (10051616056).

Almost surely, 2^20103232111 is an apocalyptic number.

20103232111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20103232111 is an equidigital number, since it uses as much as digits as its factorization.

20103232111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20103232111 its reverse (11123230102), we get a palindrome (31226462213).

The spelling of 20103232111 in words is "twenty billion, one hundred three million, two hundred thirty-two thousand, one hundred eleven".