103311212123111 has 2 divisors, whose sum is σ = 103311212123112. Its totient is φ = 103311212123110.

The previous prime is 103311212123089. The next prime is 103311212123149. The reversal of 103311212123111 is 111321212113301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103311212123111 - 2³⁰ = 103310138381287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103311212123191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51655606061555 + 51655606061556.

It is an arithmetic number, because the mean of its divisors is an integer number (51655606061556).

Almost surely, 2^{103311212123111} is an apocalyptic number.

103311212123111 is a deficient number, since it is larger than the sum of its proper divisors (1).

103311212123111 is an equidigital number, since it uses as much as digits as its factorization.

103311212123111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 103311212123111 its reverse (111321212113301), we get a palindrome (214632424236412).

The spelling of 103311212123111 in words is "one hundred three trillion, three hundred eleven billion, two hundred twelve million, one hundred twenty-three thousand, one hundred eleven".