11031222231233 has 4 divisors (see below), whose sum is σ = 11031232533588. Its totient is φ = 11031211928880.

The previous prime is 11031222231221. The next prime is 11031222231247. The reversal of 11031222231233 is 33213222213011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4907146483264 + 6124075747969 = 2215208^2 + 2474687^2 .

It is a cyclic number.

It is not a de Polignac number, because 11031222231233 - 2¹⁶ = 11031222165697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11031222231203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3330566 + ... + 5758047.

It is an arithmetic number, because the mean of its divisors is an integer number (2757808133397).

Almost surely, 2^{11031222231233} is an apocalyptic number.

It is an amenable number.

11031222231233 is a deficient number, since it is larger than the sum of its proper divisors (10302355).

11031222231233 is an equidigital number, since it uses as much as digits as its factorization.

11031222231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10302354.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11031222231233 its reverse (33213222213011), we get a palindrome (44244444444244).

The spelling of 11031222231233 in words is "eleven trillion, thirty-one billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred thirty-three".