111223223029 has 2 divisors, whose sum is σ = 111223223030. Its totient is φ = 111223223028.

The previous prime is 111223223011. The next prime is 111223223077. The reversal of 111223223029 is 920322322111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56138194225 + 55085028804 = 236935^2 + 234702^2 .

It is a cyclic number.

It is not a de Polignac number, because 111223223029 - 2⁵ = 111223222997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111223222988 and 111223223006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111223223729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611611514 + 55611611515.

It is an arithmetic number, because the mean of its divisors is an integer number (55611611515).

Almost surely, 2^111223223029 is an apocalyptic number.

It is an amenable number.

111223223029 is a deficient number, since it is larger than the sum of its proper divisors (1).

111223223029 is an equidigital number, since it uses as much as digits as its factorization.

111223223029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 111223223029 in words is "one hundred eleven billion, two hundred twenty-three million, two hundred twenty-three thousand, twenty-nine".