111203323321271 has 2 divisors, whose sum is σ = 111203323321272. Its totient is φ = 111203323321270.

The previous prime is 111203323321201. The next prime is 111203323321283. The reversal of 111203323321271 is 172123323302111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111203323321271 - 2¹⁰ = 111203323320247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111203323321201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55601661660635 + 55601661660636.

It is an arithmetic number, because the mean of its divisors is an integer number (55601661660636).

Almost surely, 2^{111203323321271} is an apocalyptic number.

111203323321271 is a deficient number, since it is larger than the sum of its proper divisors (1).

111203323321271 is an equidigital number, since it uses as much as digits as its factorization.

111203323321271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 111203323321271 its reverse (172123323302111), we get a palindrome (283326646623382).

The spelling of 111203323321271 in words is "one hundred eleven trillion, two hundred three billion, three hundred twenty-three million, three hundred twenty-one thousand, two hundred seventy-one".