111321133329943 has 2 divisors, whose sum is σ = 111321133329944. Its totient is φ = 111321133329942.

The previous prime is 111321133329871. The next prime is 111321133330111. The reversal of 111321133329943 is 349923331123111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111321133329943 - 2¹⁷ = 111321133198871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111321133329893 and 111321133329902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111321133323943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660566664971 + 55660566664972.

It is an arithmetic number, because the mean of its divisors is an integer number (55660566664972).

Almost surely, 2^{111321133329943} is an apocalyptic number.

111321133329943 is a deficient number, since it is larger than the sum of its proper divisors (1).

111321133329943 is an equidigital number, since it uses as much as digits as its factorization.

111321133329943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 46.

The spelling of 111321133329943 in words is "one hundred eleven trillion, three hundred twenty-one billion, one hundred thirty-three million, three hundred twenty-nine thousand, nine hundred forty-three".