11111131122232 has 32 divisors (see below), whose sum is σ = 20876737374720. Its totient is φ = 5544006860160.

The previous prime is 11111131122209. The next prime is 11111131122317. The reversal of 11111131122232 is 23222113111111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15317257 + ... + 16026247.

It is an arithmetic number, because the mean of its divisors is an integer number (652398042960).

Almost surely, 2^{11111131122232} is an apocalyptic number.

It is an amenable number.

11111131122232 is a deficient number, since it is larger than the sum of its proper divisors (9765606252488).

11111131122232 is a wasteful number, since it uses less digits than its factorization.

11111131122232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713071 (or 713067 counting only the distinct ones).

The product of its digits is 144, while the sum is 22.

Adding to 11111131122232 its reverse (23222113111111), we get a palindrome (34333244233343).

The spelling of 11111131122232 in words is "eleven trillion, one hundred eleven billion, one hundred thirty-one million, one hundred twenty-two thousand, two hundred thirty-two".