1123103211103 has 2 divisors, whose sum is σ = 1123103211104. Its totient is φ = 1123103211102.

The previous prime is 1123103211101. The next prime is 1123103211157. The reversal of 1123103211103 is 3011123013211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123103211103 - 2¹ = 1123103211101 is a prime.

It is a super-2 number, since 2×1123103211103² (a number of 25 digits) contains 22 as substring.

Together with 1123103211101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123103211101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561551605551 + 561551605552.

It is an arithmetic number, because the mean of its divisors is an integer number (561551605552).

Almost surely, 2^{1123103211103} is an apocalyptic number.

1123103211103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123103211103 is an equidigital number, since it uses as much as digits as its factorization.

1123103211103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1123103211103 its reverse (3011123013211), we get a palindrome (4134226224314).

The spelling of 1123103211103 in words is "one trillion, one hundred twenty-three billion, one hundred three million, two hundred eleven thousand, one hundred three".