1111213133223 has 4 divisors (see below), whose sum is σ = 1481617510968. Its totient is φ = 740808755480.

The previous prime is 1111213133197. The next prime is 1111213133321. The reversal of 1111213133223 is 3223313121111.

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

It is a cyclic number.

It is not a de Polignac number, because 1111213133223 - 2¹⁰ = 1111213132199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111213133193 and 1111213133202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111213132223) 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, 185202188868 + ... + 185202188873.

It is an arithmetic number, because the mean of its divisors is an integer number (370404377742).

Almost surely, 2^{1111213133223} is an apocalyptic number.

1111213133223 is a deficient number, since it is larger than the sum of its proper divisors (370404377745).

1111213133223 is an equidigital number, since it uses as much as digits as its factorization.

1111213133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370404377744.

The product of its digits is 648, while the sum is 24.

Adding to 1111213133223 its reverse (3223313121111), we get a palindrome (4334526254334).

The spelling of 1111213133223 in words is "one trillion, one hundred eleven billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred twenty-three".