111233116321 has 2 divisors, whose sum is σ = 111233116322. Its totient is φ = 111233116320.

The previous prime is 111233116301. The next prime is 111233116331. The reversal of 111233116321 is 123611332111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61553610000 + 49679506321 = 248100^2 + 222889^2 .

It is an emirp because it is prime and its reverse (123611332111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111233116321 - 2⁵ = 111233116289 is a prime.

It is a super-2 number, since 2×111233116321² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111233116301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55616558160 + 55616558161.

It is an arithmetic number, because the mean of its divisors is an integer number (55616558161).

Almost surely, 2^111233116321 is an apocalyptic number.

It is an amenable number.

111233116321 is a deficient number, since it is larger than the sum of its proper divisors (1).

111233116321 is an equidigital number, since it uses as much as digits as its factorization.

111233116321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 25.

Adding to 111233116321 its reverse (123611332111), we get a palindrome (234844448432).

The spelling of 111233116321 in words is "one hundred eleven billion, two hundred thirty-three million, one hundred sixteen thousand, three hundred twenty-one".