3111012121003 has 2 divisors, whose sum is σ = 3111012121004. Its totient is φ = 3111012121002.

The previous prime is 3111012120967. The next prime is 3111012121013. The reversal of 3111012121003 is 3001212101113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3111012121003 - 2¹⁷ = 3111011989931 is a prime.

It is not a weakly prime, because it can be changed into another prime (3111012121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555506060501 + 1555506060502.

It is an arithmetic number, because the mean of its divisors is an integer number (1555506060502).

Almost surely, 2^{3111012121003} is an apocalyptic number.

3111012121003 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111012121003 is an equidigital number, since it uses as much as digits as its factorization.

3111012121003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 3111012121003 its reverse (3001212101113), we get a palindrome (6112224222116).

The spelling of 3111012121003 in words is "three trillion, one hundred eleven billion, twelve million, one hundred twenty-one thousand, three".