111012111121103 has 2 divisors, whose sum is σ = 111012111121104. Its totient is φ = 111012111121102.

The previous prime is 111012111121097. The next prime is 111012111121141. The reversal of 111012111121103 is 301121111210111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111012111121103 - 2³² = 111007816153807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111012111111103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506055560551 + 55506055560552.

It is an arithmetic number, because the mean of its divisors is an integer number (55506055560552).

Almost surely, 2^{111012111121103} is an apocalyptic number.

111012111121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012111121103 is an equidigital number, since it uses as much as digits as its factorization.

111012111121103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 17.

Adding to 111012111121103 its reverse (301121111210111), we get a palindrome (412133222331214).

The spelling of 111012111121103 in words is "one hundred eleven trillion, twelve billion, one hundred eleven million, one hundred twenty-one thousand, one hundred three".