3111121000003 has 2 divisors, whose sum is σ = 3111121000004. Its totient is φ = 3111121000002.

The previous prime is 3111120999991. The next prime is 3111121000021. The reversal of 3111121000003 is 3000001211113.

It is a weak prime.

It is an emirp because it is prime and its reverse (3000001211113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3111121000003 - 2²¹ = 3111118902851 is a prime.

It is not a weakly prime, because it can be changed into another prime (3111121000303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555560500001 + 1555560500002.

It is an arithmetic number, because the mean of its divisors is an integer number (1555560500002).

Almost surely, 2^{3111121000003} is an apocalyptic number.

3111121000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111121000003 is an equidigital number, since it uses as much as digits as its factorization.

3111121000003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 3111121000003 its reverse (3000001211113), we get a palindrome (6111122211116).

The spelling of 3111121000003 in words is "three trillion, one hundred eleven billion, one hundred twenty-one million, three", and thus it is an aban number.