1111404110203 has 4 divisors (see below), whose sum is σ = 1111406555160. Its totient is φ = 1111401665248.

The previous prime is 1111404110177. The next prime is 1111404110213. The reversal of 1111404110203 is 3020114041111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111404110203 is a prime.

It is a super-2 number, since 2×1111404110203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111404110213) 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 in 3 ways as a sum of consecutive naturals, for example, 317125 + ... + 1524262.

It is an arithmetic number, because the mean of its divisors is an integer number (277851638790).

Almost surely, 2^{1111404110203} is an apocalyptic number.

1111404110203 is a deficient number, since it is larger than the sum of its proper divisors (2444957).

1111404110203 is an equidigital number, since it uses as much as digits as its factorization.

1111404110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444956.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1111404110203 its reverse (3020114041111), we get a palindrome (4131518151314).

The spelling of 1111404110203 in words is "one trillion, one hundred eleven billion, four hundred four million, one hundred ten thousand, two hundred three".