1111131102223 has 2 divisors, whose sum is σ = 1111131102224. Its totient is φ = 1111131102222.

The previous prime is 1111131102199. The next prime is 1111131102269. The reversal of 1111131102223 is 3222011311111.

It is a weak prime.

It is an emirp because it is prime and its reverse (3222011311111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111131102223 is a prime.

It is a super-2 number, since 2×1111131102223² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111131102223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111131102293) 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 as a sum of consecutive naturals, namely, 555565551111 + 555565551112.

It is an arithmetic number, because the mean of its divisors is an integer number (555565551112).

Almost surely, 2^{1111131102223} is an apocalyptic number.

1111131102223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111131102223 is an equidigital number, since it uses as much as digits as its factorization.

1111131102223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1111131102223 its reverse (3222011311111), we get a palindrome (4333142413334).

The spelling of 1111131102223 in words is "one trillion, one hundred eleven billion, one hundred thirty-one million, one hundred two thousand, two hundred twenty-three".