111202211243 has 2 divisors, whose sum is σ = 111202211244. Its totient is φ = 111202211242.

The previous prime is 111202211213. The next prime is 111202211279. The reversal of 111202211243 is 342112202111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111202211243 - 2²⁸ = 110933775787 is a prime.

It is not a weakly prime, because it can be changed into another prime (111202211213) 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 as a sum of consecutive naturals, namely, 55601105621 + 55601105622.

It is an arithmetic number, because the mean of its divisors is an integer number (55601105622).

Almost surely, 2^111202211243 is an apocalyptic number.

111202211243 is a deficient number, since it is larger than the sum of its proper divisors (1).

111202211243 is an equidigital number, since it uses as much as digits as its factorization.

111202211243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111202211243 its reverse (342112202111), we get a palindrome (453314413354).

The spelling of 111202211243 in words is "one hundred eleven billion, two hundred two million, two hundred eleven thousand, two hundred forty-three".