1121033023403 has 2 divisors, whose sum is σ = 1121033023404. Its totient is φ = 1121033023402.

The previous prime is 1121033023337. The next prime is 1121033023417. The reversal of 1121033023403 is 3043203301211.

It is a strong prime.

It is an emirp because it is prime and its reverse (3043203301211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121033023403 - 2²⁰ = 1121031974827 is a prime.

It is a super-2 number, since 2×1121033023403² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1121033026403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560516511701 + 560516511702.

It is an arithmetic number, because the mean of its divisors is an integer number (560516511702).

Almost surely, 2^{1121033023403} is an apocalyptic number.

1121033023403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121033023403 is an equidigital number, since it uses as much as digits as its factorization.

1121033023403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1121033023403 its reverse (3043203301211), we get a palindrome (4164236324614).

The spelling of 1121033023403 in words is "one trillion, one hundred twenty-one billion, thirty-three million, twenty-three thousand, four hundred three".