1123202031103 has 2 divisors, whose sum is σ = 1123202031104. Its totient is φ = 1123202031102.

The previous prime is 1123202031101. The next prime is 1123202031113. The reversal of 1123202031103 is 3011302023211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123202031103 - 2¹ = 1123202031101 is a prime.

Together with 1123202031101, 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 (1123202031101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561601015551 + 561601015552.

It is an arithmetic number, because the mean of its divisors is an integer number (561601015552).

Almost surely, 2^{1123202031103} is an apocalyptic number.

1123202031103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123202031103 is an equidigital number, since it uses as much as digits as its factorization.

1123202031103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1123202031103 its reverse (3011302023211), we get a palindrome (4134504054314).

The spelling of 1123202031103 in words is "one trillion, one hundred twenty-three billion, two hundred two million, thirty-one thousand, one hundred three".