1111131311203 has 4 divisors (see below), whose sum is σ = 1111391350888. Its totient is φ = 1110871271520.

The previous prime is 1111131311177. The next prime is 1111131311267. The reversal of 1111131311203 is 3021131311111.

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

It is a cyclic number.

It is not a de Polignac number, because 1111131311203 - 2⁹ = 1111131310691 is a prime.

It is a super-2 number, since 2×1111131311203² (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 (1111131321203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130013433 + ... + 130021978.

It is an arithmetic number, because the mean of its divisors is an integer number (277847837722).

Almost surely, 2^{1111131311203} is an apocalyptic number.

1111131311203 is a deficient number, since it is larger than the sum of its proper divisors (260039685).

1111131311203 is an equidigital number, since it uses as much as digits as its factorization.

1111131311203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260039684.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 1111131311203 its reverse (3021131311111), we get a palindrome (4132262622314).

The spelling of 1111131311203 in words is "one trillion, one hundred eleven billion, one hundred thirty-one million, three hundred eleven thousand, two hundred three".