11111120220223 has 2 divisors, whose sum is σ = 11111120220224. Its totient is φ = 11111120220222.

The previous prime is 11111120220217. The next prime is 11111120220253. The reversal of 11111120220223 is 32202202111111.

11111120220223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111120220223 - 2⁹ = 11111120219711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11111120220223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111120220203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555560110111 + 5555560110112.

It is an arithmetic number, because the mean of its divisors is an integer number (5555560110112).

Almost surely, 2^{11111120220223} is an apocalyptic number.

11111120220223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111120220223 is an equidigital number, since it uses as much as digits as its factorization.

11111120220223 is an evil number, because the sum of its binary digits is even.

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

Adding to 11111120220223 its reverse (32202202111111), we get a palindrome (43313322331334).

The spelling of 11111120220223 in words is "eleven trillion, one hundred eleven billion, one hundred twenty million, two hundred twenty thousand, two hundred twenty-three".