1101223168 has 36 divisors (see below), whose sum is σ = 2269068928. Its totient is φ = 532846080.

The previous prime is 1101223157. The next prime is 1101223171. The reversal of 1101223168 is 8613221011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61446 + ... + 77317.

Almost surely, 2^1101223168 is an apocalyptic number.

It is an amenable number.

1101223168 is an abundant number, since it is smaller than the sum of its proper divisors (1167845760).

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

1101223168 is an equidigital number, since it uses as much as digits as its factorization.

1101223168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138810 (or 138796 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1101223168 is about 33184.6827316459. The cubic root of 1101223168 is about 1032.6625955419.

Adding to 1101223168 its reverse (8613221011), we get a palindrome (9714444179).

The spelling of 1101223168 in words is "one billion, one hundred one million, two hundred twenty-three thousand, one hundred sixty-eight".