11121222112103 has 2 divisors, whose sum is σ = 11121222112104. Its totient is φ = 11121222112102.

The previous prime is 11121222112097. The next prime is 11121222112129. The reversal of 11121222112103 is 30121122212111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11121222112103 - 2¹⁴ = 11121222095719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121222112193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560611056051 + 5560611056052.

It is an arithmetic number, because the mean of its divisors is an integer number (5560611056052).

Almost surely, 2^{11121222112103} is an apocalyptic number.

11121222112103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121222112103 is an equidigital number, since it uses as much as digits as its factorization.

11121222112103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 11121222112103 its reverse (30121122212111), we get a palindrome (41242344324214).

The spelling of 11121222112103 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred three".