111211223223313 has 4 divisors (see below), whose sum is σ = 111248158205808. Its totient is φ = 111174288240820.

The previous prime is 111211223223209. The next prime is 111211223223319. The reversal of 111211223223313 is 313322322112111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111211223223313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111211223223319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18467486731 + ... + 18467492752.

It is an arithmetic number, because the mean of its divisors is an integer number (27812039551452).

Almost surely, 2^{111211223223313} is an apocalyptic number.

It is an amenable number.

111211223223313 is a deficient number, since it is larger than the sum of its proper divisors (36934982495).

111211223223313 is an equidigital number, since it uses as much as digits as its factorization.

111211223223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36934982494.

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

Adding to 111211223223313 its reverse (313322322112111), we get a palindrome (424533545335424).

The spelling of 111211223223313 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred twenty-three million, two hundred twenty-three thousand, three hundred thirteen".