20112103032011 has 2 divisors, whose sum is σ = 20112103032012. Its totient is φ = 20112103032010.

The previous prime is 20112103031971. The next prime is 20112103032037. The reversal of 20112103032011 is 11023030121102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20112103032011 - 2³⁴ = 20094923162827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20112103032211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056051516005 + 10056051516006.

It is an arithmetic number, because the mean of its divisors is an integer number (10056051516006).

Almost surely, 2^{20112103032011} is an apocalyptic number.

20112103032011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112103032011 is an equidigital number, since it uses as much as digits as its factorization.

20112103032011 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 17.

Adding to 20112103032011 its reverse (11023030121102), we get a palindrome (31135133153113).

The spelling of 20112103032011 in words is "twenty trillion, one hundred twelve billion, one hundred three million, thirty-two thousand, eleven".