111243034034311 has 2 divisors, whose sum is σ = 111243034034312. Its totient is φ = 111243034034310.

The previous prime is 111243034034287. The next prime is 111243034034323. The reversal of 111243034034311 is 113430430342111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111243034034311 - 2²¹ = 111243031937159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111243034074311) 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, 55621517017155 + 55621517017156.

It is an arithmetic number, because the mean of its divisors is an integer number (55621517017156).

Almost surely, 2^{111243034034311} is an apocalyptic number.

111243034034311 is a deficient number, since it is larger than the sum of its proper divisors (1).

111243034034311 is an equidigital number, since it uses as much as digits as its factorization.

111243034034311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 111243034034311 its reverse (113430430342111), we get a palindrome (224673464376422).

The spelling of 111243034034311 in words is "one hundred eleven trillion, two hundred forty-three billion, thirty-four million, thirty-four thousand, three hundred eleven".