1111123030203 has 6 divisors (see below), whose sum is σ = 1604955488084. Its totient is φ = 740748686796.

The previous prime is 1111123030133. The next prime is 1111123030211. The reversal of 1111123030203 is 3020303211111.

It is not a de Polignac number, because 1111123030203 - 2¹² = 1111123026107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111123030243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61729057225 + ... + 61729057242.

Almost surely, 2^{1111123030203} is an apocalyptic number.

1111123030203 is a deficient number, since it is larger than the sum of its proper divisors (493832457881).

1111123030203 is a wasteful number, since it uses less digits than its factorization.

1111123030203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123458114473 (or 123458114470 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1111123030203 its reverse (3020303211111), we get a palindrome (4131426241314).

The spelling of 1111123030203 in words is "one trillion, one hundred eleven billion, one hundred twenty-three million, thirty thousand, two hundred three".