12100222011611 has 2 divisors, whose sum is σ = 12100222011612. Its totient is φ = 12100222011610.

The previous prime is 12100222011601. The next prime is 12100222011643. The reversal of 12100222011611 is 11611022200121.

12100222011611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12100222011611 - 2⁶ = 12100222011547 is a prime.

It is not a weakly prime, because it can be changed into another prime (12100222011601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050111005805 + 6050111005806.

It is an arithmetic number, because the mean of its divisors is an integer number (6050111005806).

Almost surely, 2^{12100222011611} is an apocalyptic number.

12100222011611 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100222011611 is an equidigital number, since it uses as much as digits as its factorization.

12100222011611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 12100222011611 its reverse (11611022200121), we get a palindrome (23711244211732).

The spelling of 12100222011611 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, eleven thousand, six hundred eleven".