111323220343499 has 2 divisors, whose sum is σ = 111323220343500. Its totient is φ = 111323220343498.

The previous prime is 111323220343463. The next prime is 111323220343567. The reversal of 111323220343499 is 994343022323111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111323220343499 - 2⁸ = 111323220343243 is a prime.

It is a super-2 number, since 2×111323220343499² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111323220343799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55661610171749 + 55661610171750.

It is an arithmetic number, because the mean of its divisors is an integer number (55661610171750).

Almost surely, 2^{111323220343499} is an apocalyptic number.

111323220343499 is a deficient number, since it is larger than the sum of its proper divisors (1).

111323220343499 is an equidigital number, since it uses as much as digits as its factorization.

111323220343499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 111323220343499 in words is "one hundred eleven trillion, three hundred twenty-three billion, two hundred twenty million, three hundred forty-three thousand, four hundred ninety-nine".