3011121211123 has 2 divisors, whose sum is σ = 3011121211124. Its totient is φ = 3011121211122.

The previous prime is 3011121211103. The next prime is 3011121211139. The reversal of 3011121211123 is 3211121211103.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3011121211123 is a prime.

It is a super-2 number, since 2×3011121211123² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3011121211123.

It is not a weakly prime, because it can be changed into another prime (3011121211103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1505560605561 + 1505560605562.

It is an arithmetic number, because the mean of its divisors is an integer number (1505560605562).

Almost surely, 2^{3011121211123} is an apocalyptic number.

3011121211123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3011121211123 is an equidigital number, since it uses as much as digits as its factorization.

3011121211123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 3011121211123 its reverse (3211121211103), we get a palindrome (6222242422226).

The spelling of 3011121211123 in words is "three trillion, eleven billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twenty-three".