1111230131233 has 2 divisors, whose sum is σ = 1111230131234. Its totient is φ = 1111230131232.

The previous prime is 1111230131183. The next prime is 1111230131269. The reversal of 1111230131233 is 3321310321111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 805368040929 + 305862090304 = 897423^2 + 553048^2 .

It is an emirp because it is prime and its reverse (3321310321111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111230131233 - 2¹³ = 1111230123041 is a prime.

It is a super-2 number, since 2×1111230131233² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111230131633) 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, 555615065616 + 555615065617.

It is an arithmetic number, because the mean of its divisors is an integer number (555615065617).

Almost surely, 2^{1111230131233} is an apocalyptic number.

It is an amenable number.

1111230131233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111230131233 is an equidigital number, since it uses as much as digits as its factorization.

1111230131233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1111230131233 its reverse (3321310321111), we get a palindrome (4432540452344).

The spelling of 1111230131233 in words is "one trillion, one hundred eleven billion, two hundred thirty million, one hundred thirty-one thousand, two hundred thirty-three".