1101123320 has 64 divisors (see below), whose sum is σ = 2861762400. Its totient is φ = 376852480.

The previous prime is 1101123319. The next prime is 1101123323. The reversal of 1101123320 is 233211011.

It is a junction number, because it is equal to n+sod(n) for n = 1101123295 and 1101123304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101123323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66125 + ... + 81084.

Almost surely, 2^1101123320 is an apocalyptic number.

1101123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101123320 is an abundant number, since it is smaller than the sum of its proper divisors (1760639080).

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

1101123320 is a wasteful number, since it uses less digits than its factorization.

1101123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147248 (or 147244 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1101123320 is about 33183.1782685143. The cubic root of 1101123320 is about 1032.6313840630.

Adding to 1101123320 its reverse (233211011), we get a palindrome (1334334331).

It can be divided in two parts, 1101 and 123320, that added together give a palindrome (124421).

The spelling of 1101123320 in words is "one billion, one hundred one million, one hundred twenty-three thousand, three hundred twenty".