2012120201111 has 2 divisors, whose sum is σ = 2012120201112. Its totient is φ = 2012120201110.

The previous prime is 2012120201099. The next prime is 2012120201281. The reversal of 2012120201111 is 1111020212102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012120201111 - 2¹⁰ = 2012120200087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012120203111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006060100555 + 1006060100556.

It is an arithmetic number, because the mean of its divisors is an integer number (1006060100556).

Almost surely, 2^{2012120201111} is an apocalyptic number.

2012120201111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012120201111 is an equidigital number, since it uses as much as digits as its factorization.

2012120201111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2012120201111 its reverse (1111020212102), we get a palindrome (3123140413213).

The spelling of 2012120201111 in words is "two trillion, twelve billion, one hundred twenty million, two hundred one thousand, one hundred eleven".