111223230222331 has 2 divisors, whose sum is σ = 111223230222332. Its totient is φ = 111223230222330.

The previous prime is 111223230222283. The next prime is 111223230222341. The reversal of 111223230222331 is 133222032322111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111223230222331 - 2¹¹ = 111223230220283 is a prime.

It is a super-2 number, since 2×111223230222331² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111223230222331.

It is not a weakly prime, because it can be changed into another prime (111223230222341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611615111165 + 55611615111166.

It is an arithmetic number, because the mean of its divisors is an integer number (55611615111166).

Almost surely, 2^{111223230222331} is an apocalyptic number.

111223230222331 is a deficient number, since it is larger than the sum of its proper divisors (1).

111223230222331 is an equidigital number, since it uses as much as digits as its factorization.

111223230222331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 111223230222331 its reverse (133222032322111), we get a palindrome (244445262544442).

The spelling of 111223230222331 in words is "one hundred eleven trillion, two hundred twenty-three billion, two hundred thirty million, two hundred twenty-two thousand, three hundred thirty-one".