11131122232 has 16 divisors (see below), whose sum is σ = 22098551760. Its totient is φ = 5238175104.

The previous prime is 11131122209. The next prime is 11131122239. The reversal of 11131122232 is 23222113111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131122239) 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 3 ways as a sum of consecutive naturals, for example, 40923108 + ... + 40923379.

It is an arithmetic number, because the mean of its divisors is an integer number (1381159485).

Almost surely, 2^11131122232 is an apocalyptic number.

It is an amenable number.

11131122232 is a deficient number, since it is larger than the sum of its proper divisors (10967429528).

11131122232 is a wasteful number, since it uses less digits than its factorization.

11131122232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81846510 (or 81846506 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 11131122232 its reverse (23222113111), we get a palindrome (34353235343).

The spelling of 11131122232 in words is "eleven billion, one hundred thirty-one million, one hundred twenty-two thousand, two hundred thirty-two".