1111323223311 has 32 divisors (see below), whose sum is σ = 1794567398400. Its totient is φ = 598189105920.

The previous prime is 1111323223273. The next prime is 1111323223319. The reversal of 1111323223311 is 1133223231111.

It is not a de Polignac number, because 1111323223311 - 2⁹ = 1111323222799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111323223319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22229091 + ... + 22279028.

It is an arithmetic number, because the mean of its divisors is an integer number (56080231200).

Almost surely, 2^{1111323223311} is an apocalyptic number.

1111323223311 is a deficient number, since it is larger than the sum of its proper divisors (683244175089).

1111323223311 is a wasteful number, since it uses less digits than its factorization.

1111323223311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44508199.

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

Adding to 1111323223311 its reverse (1133223231111), we get a palindrome (2244546454422).

The spelling of 1111323223311 in words is "one trillion, one hundred eleven billion, three hundred twenty-three million, two hundred twenty-three thousand, three hundred eleven".