1111204030223 has 4 divisors (see below), whose sum is σ = 1269947463120. Its totient is φ = 952460597328.

The previous prime is 1111204030187. The next prime is 1111204030231. The reversal of 1111204030223 is 3220304021111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111204030223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111204030195 and 1111204030204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111204030253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79371716438 + ... + 79371716451.

It is an arithmetic number, because the mean of its divisors is an integer number (317486865780).

Almost surely, 2^{1111204030223} is an apocalyptic number.

1111204030223 is a deficient number, since it is larger than the sum of its proper divisors (158743432897).

1111204030223 is an equidigital number, since it uses as much as digits as its factorization.

1111204030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158743432896.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1111204030223 its reverse (3220304021111), we get a palindrome (4331508051334).

The spelling of 1111204030223 in words is "one trillion, one hundred eleven billion, two hundred four million, thirty thousand, two hundred twenty-three".