111355335241 has 4 divisors (see below), whose sum is σ = 111356002692. Its totient is φ = 111354667792.

The previous prime is 111355335211. The next prime is 111355335277. The reversal of 111355335241 is 142533553111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 142533553111 = 13829 ⋅10306859.

It can be written as a sum of positive squares in 2 ways, for example, as 81182255625 + 30173079616 = 284925^2 + 173704^2 .

It is a cyclic number.

It is not a de Polignac number, because 111355335241 - 2¹⁹ = 111354810953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111355335197 and 111355335206.

It is not an unprimeable number, because it can be changed into a prime (111355335211) 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, 160671 + ... + 498523.

It is an arithmetic number, because the mean of its divisors is an integer number (27839000673).

Almost surely, 2^111355335241 is an apocalyptic number.

It is an amenable number.

111355335241 is a deficient number, since it is larger than the sum of its proper divisors (667451).

111355335241 is an equidigital number, since it uses as much as digits as its factorization.

111355335241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667450.

The product of its digits is 27000, while the sum is 34.

Adding to 111355335241 its reverse (142533553111), we get a palindrome (253888888352).

The spelling of 111355335241 in words is "one hundred eleven billion, three hundred fifty-five million, three hundred thirty-five thousand, two hundred forty-one".