11233122222 has 32 divisors (see below), whose sum is σ = 25683264000. Its totient is φ = 3208519008.

The previous prime is 11233122209. The next prime is 11233122239. The reversal of 11233122222 is 22222133211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111904 + ... + 187052.

It is an arithmetic number, because the mean of its divisors is an integer number (802602000).

Almost surely, 2^11233122222 is an apocalyptic number.

11233122222 is an abundant number, since it is smaller than the sum of its proper divisors (14450141778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11233122222 is a wasteful number, since it uses less digits than its factorization.

11233122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78720.

The product of its digits is 576, while the sum is 21.

Adding to 11233122222 its reverse (22222133211), we get a palindrome (33455255433).

The spelling of 11233122222 in words is "eleven billion, two hundred thirty-three million, one hundred twenty-two thousand, two hundred twenty-two".