1111030123103 has 32 divisors (see below), whose sum is σ = 1191294720000. Its totient is φ = 1033086428640.

The previous prime is 1111030123061. The next prime is 1111030123187. The reversal of 1111030123103 is 3013210301111.

It is a cyclic number.

It is not a de Polignac number, because 1111030123103 - 2⁶ = 1111030123039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111030123303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653930948 + ... + 653932646.

It is an arithmetic number, because the mean of its divisors is an integer number (37227960000).

Almost surely, 2^{1111030123103} is an apocalyptic number.

1111030123103 is a deficient number, since it is larger than the sum of its proper divisors (80264596897).

1111030123103 is a wasteful number, since it uses less digits than its factorization.

1111030123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1111030123103 its reverse (3013210301111), we get a palindrome (4124240424214).

The spelling of 1111030123103 in words is "one trillion, one hundred eleven billion, thirty million, one hundred twenty-three thousand, one hundred three".