111331222229959 has 2 divisors, whose sum is σ = 111331222229960. Its totient is φ = 111331222229958.

The previous prime is 111331222229923. The next prime is 111331222230023. The reversal of 111331222229959 is 959922222133111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111331222229959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111331222229459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55665611114979 + 55665611114980.

It is an arithmetic number, because the mean of its divisors is an integer number (55665611114980).

Almost surely, 2^{111331222229959} is an apocalyptic number.

111331222229959 is a deficient number, since it is larger than the sum of its proper divisors (1).

111331222229959 is an equidigital number, since it uses as much as digits as its factorization.

111331222229959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 52.

The spelling of 111331222229959 in words is "one hundred eleven trillion, three hundred thirty-one billion, two hundred twenty-two million, two hundred twenty-nine thousand, nine hundred fifty-nine".