111120311233 has 2 divisors, whose sum is σ = 111120311234. Its totient is φ = 111120311232.

The previous prime is 111120311209. The next prime is 111120311261. The reversal of 111120311233 is 332113021111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61398892944 + 49721418289 = 247788^2 + 222983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111120311233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111120311233.

It is not a weakly prime, because it can be changed into another prime (111120311293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560155616 + 55560155617.

It is an arithmetic number, because the mean of its divisors is an integer number (55560155617).

Almost surely, 2^111120311233 is an apocalyptic number.

It is an amenable number.

111120311233 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120311233 is an equidigital number, since it uses as much as digits as its factorization.

111120311233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111120311233 its reverse (332113021111), we get a palindrome (443233332344).

The spelling of 111120311233 in words is "one hundred eleven billion, one hundred twenty million, three hundred eleven thousand, two hundred thirty-three".