11331221100233 has 32 divisors (see below), whose sum is σ = 12523034160000. Its totient is φ = 10211070159360.

The previous prime is 11331221100217. The next prime is 11331221100259. The reversal of 11331221100233 is 33200112213311.

It is a cyclic number.

It is not a de Polignac number, because 11331221100233 - 2⁴ = 11331221100217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331221100199 and 11331221100208.

It is not an unprimeable number, because it can be changed into a prime (11331221100733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10140293 + ... + 11202141.

It is an arithmetic number, because the mean of its divisors is an integer number (391344817500).

Almost surely, 2^{11331221100233} is an apocalyptic number.

It is an amenable number.

11331221100233 is a deficient number, since it is larger than the sum of its proper divisors (1191813059767).

11331221100233 is a wasteful number, since it uses less digits than its factorization.

11331221100233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062185.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11331221100233 its reverse (33200112213311), we get a palindrome (44531333313544).

The spelling of 11331221100233 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty-one million, one hundred thousand, two hundred thirty-three".