3011123111111 has 2 divisors, whose sum is σ = 3011123111112. Its totient is φ = 3011123111110.

The previous prime is 3011123111089. The next prime is 3011123111149. The reversal of 3011123111111 is 1111113211103.

It is a happy number.

3011123111111 is digitally balanced in base 3, 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 3011123111111 - 2¹⁰ = 3011123110087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3011123111111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3011123111411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1505561555555 + 1505561555556.

It is an arithmetic number, because the mean of its divisors is an integer number (1505561555556).

Almost surely, 2^{3011123111111} is an apocalyptic number.

3011123111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3011123111111 is an equidigital number, since it uses as much as digits as its factorization.

3011123111111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 3011123111111 its reverse (1111113211103), we get a palindrome (4122236322214).

The spelling of 3011123111111 in words is "three trillion, eleven billion, one hundred twenty-three million, one hundred eleven thousand, one hundred eleven".