111011021113243 has 2 divisors, whose sum is σ = 111011021113244. Its totient is φ = 111011021113242.

The previous prime is 111011021113219. The next prime is 111011021113253. The reversal of 111011021113243 is 342311120110111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111011021113243 - 2⁹ = 111011021112731 is a prime.

It is not a weakly prime, because it can be changed into another prime (111011021113253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505510556621 + 55505510556622.

It is an arithmetic number, because the mean of its divisors is an integer number (55505510556622).

Almost surely, 2^{111011021113243} is an apocalyptic number.

111011021113243 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011021113243 is an equidigital number, since it uses as much as digits as its factorization.

111011021113243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 111011021113243 its reverse (342311120110111), we get a palindrome (453322141223354).

The spelling of 111011021113243 in words is "one hundred eleven trillion, eleven billion, twenty-one million, one hundred thirteen thousand, two hundred forty-three".