111103320331 has 2 divisors, whose sum is σ = 111103320332. Its totient is φ = 111103320330.

The previous prime is 111103320329. The next prime is 111103320347. The reversal of 111103320331 is 133023301111.

It is a weak prime.

It is an emirp because it is prime and its reverse (133023301111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111103320331 - 2¹ = 111103320329 is a prime.

It is a super-2 number, since 2×111103320331² (a number of 23 digits) contains 22 as substring.

Together with 111103320329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 111103320299 and 111103320308.

It is not a weakly prime, because it can be changed into another prime (111103320301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551660165 + 55551660166.

It is an arithmetic number, because the mean of its divisors is an integer number (55551660166).

Almost surely, 2^111103320331 is an apocalyptic number.

111103320331 is a deficient number, since it is larger than the sum of its proper divisors (1).

111103320331 is an equidigital number, since it uses as much as digits as its factorization.

111103320331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 111103320331 its reverse (133023301111), we get a palindrome (244126621442).

The spelling of 111103320331 in words is "one hundred eleven billion, one hundred three million, three hundred twenty thousand, three hundred thirty-one".