20112103043 has 2 divisors, whose sum is σ = 20112103044. Its totient is φ = 20112103042.

The previous prime is 20112103007. The next prime is 20112103051. The reversal of 20112103043 is 34030121102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20112103043 - 2⁶ = 20112102979 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112103243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056051521 + 10056051522.

It is an arithmetic number, because the mean of its divisors is an integer number (10056051522).

Almost surely, 2^20112103043 is an apocalyptic number.

20112103043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112103043 is an equidigital number, since it uses as much as digits as its factorization.

20112103043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20112103043 its reverse (34030121102), we get a palindrome (54142224145).

The spelling of 20112103043 in words is "twenty billion, one hundred twelve million, one hundred three thousand, forty-three".