1011112212223 has 2 divisors, whose sum is σ = 1011112212224. Its totient is φ = 1011112212222.

The previous prime is 1011112212193. The next prime is 1011112212247. The reversal of 1011112212223 is 3222122111101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011112212223 - 2⁵ = 1011112212191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011112212223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011112252223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505556106111 + 505556106112.

It is an arithmetic number, because the mean of its divisors is an integer number (505556106112).

Almost surely, 2^{1011112212223} is an apocalyptic number.

1011112212223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011112212223 is an equidigital number, since it uses as much as digits as its factorization.

1011112212223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1011112212223 its reverse (3222122111101), we get a palindrome (4233234323324).

The spelling of 1011112212223 in words is "one trillion, eleven billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-three".