11232121222 has 16 divisors (see below), whose sum is σ = 19346326272. Its totient is φ = 4790950920.

The previous prime is 11232121211. The next prime is 11232121249. The reversal of 11232121222 is 22212123211.

11232121222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11232121222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898218 + ... + 1904125.

It is an arithmetic number, because the mean of its divisors is an integer number (1209145392).

Almost surely, 2^11232121222 is an apocalyptic number.

11232121222 is a deficient number, since it is larger than the sum of its proper divisors (8114205050).

11232121222 is a wasteful number, since it uses less digits than its factorization.

11232121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802563.

The product of its digits is 192, while the sum is 19.

Adding to 11232121222 its reverse (22212123211), we get a palindrome (33444244433).

The spelling of 11232121222 in words is "eleven billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty-two".