111340204427 has 2 divisors, whose sum is σ = 111340204428. Its totient is φ = 111340204426.

The previous prime is 111340204411. The next prime is 111340204429. The reversal of 111340204427 is 724402043111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111340204427 - 2⁴ = 111340204411 is a prime.

It is a super-2 number, since 2×111340204427² (a number of 23 digits) contains 22 as substring.

Together with 111340204429, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111340204427.

It is not a weakly prime, because it can be changed into another prime (111340204429) 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, 55670102213 + 55670102214.

It is an arithmetic number, because the mean of its divisors is an integer number (55670102214).

Almost surely, 2^111340204427 is an apocalyptic number.

111340204427 is a deficient number, since it is larger than the sum of its proper divisors (1).

111340204427 is an equidigital number, since it uses as much as digits as its factorization.

111340204427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 111340204427 its reverse (724402043111), we get a palindrome (835742247538).

The spelling of 111340204427 in words is "one hundred eleven billion, three hundred forty million, two hundred four thousand, four hundred twenty-seven".