111112320041 has 2 divisors, whose sum is σ = 111112320042. Its totient is φ = 111112320040.

The previous prime is 111112319917. The next prime is 111112320091. The reversal of 111112320041 is 140023211111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108185077225 + 2927242816 = 328915^2 + 54104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111112320041 is a prime.

It is a super-2 number, since 2×111112320041² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111112320091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556160020 + 55556160021.

It is an arithmetic number, because the mean of its divisors is an integer number (55556160021).

Almost surely, 2^111112320041 is an apocalyptic number.

It is an amenable number.

111112320041 is a deficient number, since it is larger than the sum of its proper divisors (1).

111112320041 is an equidigital number, since it uses as much as digits as its factorization.

111112320041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111112320041 its reverse (140023211111), we get a palindrome (251135531152).

The spelling of 111112320041 in words is "one hundred eleven billion, one hundred twelve million, three hundred twenty thousand, forty-one".