120201221111011 has 2 divisors, whose sum is σ = 120201221111012. Its totient is φ = 120201221111010.

The previous prime is 120201221110913. The next prime is 120201221111039. The reversal of 120201221111011 is 110111122102021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120201221111011 - 2⁹ = 120201221110499 is a prime.

It is not a weakly prime, because it can be changed into another prime (120201221111071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100610555505 + 60100610555506.

It is an arithmetic number, because the mean of its divisors is an integer number (60100610555506).

Almost surely, 2^{120201221111011} is an apocalyptic number.

120201221111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

120201221111011 is an equidigital number, since it uses as much as digits as its factorization.

120201221111011 is an evil number, because the sum of its binary digits is even.

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

Adding to 120201221111011 its reverse (110111122102021), we get a palindrome (230312343213032).

The spelling of 120201221111011 in words is "one hundred twenty trillion, two hundred one billion, two hundred twenty-one million, one hundred eleven thousand, eleven".