1111033131223 has 4 divisors (see below), whose sum is σ = 1111124503728. Its totient is φ = 1110941758720.

The previous prime is 1111033131203. The next prime is 1111033131233. The reversal of 1111033131223 is 3221313301111.

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 1111033131223 - 2⁵ = 1111033131191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111033131194 and 1111033131203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111033131203) 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, 45668011 + ... + 45692332.

It is an arithmetic number, because the mean of its divisors is an integer number (277781125932).

Almost surely, 2^{1111033131223} is an apocalyptic number.

1111033131223 is a deficient number, since it is larger than the sum of its proper divisors (91372505).

1111033131223 is an equidigital number, since it uses as much as digits as its factorization.

1111033131223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91372504.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1111033131223 its reverse (3221313301111), we get a palindrome (4332346432334).

The spelling of 1111033131223 in words is "one trillion, one hundred eleven billion, thirty-three million, one hundred thirty-one thousand, two hundred twenty-three".