20112411211 has 2 divisors, whose sum is σ = 20112411212. Its totient is φ = 20112411210.

The previous prime is 20112411173. The next prime is 20112411217. The reversal of 20112411211 is 11211421102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20112411211 - 2¹⁵ = 20112378443 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112411217) 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, 10056205605 + 10056205606.

It is an arithmetic number, because the mean of its divisors is an integer number (10056205606).

Almost surely, 2^20112411211 is an apocalyptic number.

20112411211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112411211 is an equidigital number, since it uses as much as digits as its factorization.

20112411211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20112411211 its reverse (11211421102), we get a palindrome (31323832313).

The spelling of 20112411211 in words is "twenty billion, one hundred twelve million, four hundred eleven thousand, two hundred eleven".