111223301213 has 2 divisors, whose sum is σ = 111223301214. Its totient is φ = 111223301212.

The previous prime is 111223301201. The next prime is 111223301249. The reversal of 111223301213 is 312103322111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101861190649 + 9362110564 = 319157^2 + 96758^2 .

It is a cyclic number.

It is not a de Polignac number, because 111223301213 - 2¹⁰ = 111223300189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111223300213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611650606 + 55611650607.

It is an arithmetic number, because the mean of its divisors is an integer number (55611650607).

Almost surely, 2^111223301213 is an apocalyptic number.

It is an amenable number.

111223301213 is a deficient number, since it is larger than the sum of its proper divisors (1).

111223301213 is an equidigital number, since it uses as much as digits as its factorization.

111223301213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111223301213 its reverse (312103322111), we get a palindrome (423326623324).

The spelling of 111223301213 in words is "one hundred eleven billion, two hundred twenty-three million, three hundred one thousand, two hundred thirteen".