11121231111333 has 32 divisors (see below), whose sum is σ = 17904004853760. Its totient is φ = 6005301597120.

The previous prime is 11121231111329. The next prime is 11121231111343. The reversal of 11121231111333 is 33311113212111.

It is not a de Polignac number, because 11121231111333 - 2² = 11121231111329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121231111343) 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, 194242263 + ... + 194299508.

It is an arithmetic number, because the mean of its divisors is an integer number (559500151680).

Almost surely, 2^{11121231111333} is an apocalyptic number.

It is an amenable number.

11121231111333 is a deficient number, since it is larger than the sum of its proper divisors (6782773742427).

11121231111333 is a wasteful number, since it uses less digits than its factorization.

11121231111333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388541857.

The product of its digits is 324, while the sum is 24.

Adding to 11121231111333 its reverse (33311113212111), we get a palindrome (44432344323444).

The spelling of 11121231111333 in words is "eleven trillion, one hundred twenty-one billion, two hundred thirty-one million, one hundred eleven thousand, three hundred thirty-three".