1320111110 has 8 divisors (see below), whose sum is σ = 2376200016. Its totient is φ = 528044440.

The previous prime is 1320111103. The next prime is 1320111181. The reversal of 1320111110 is 111110231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1320111091 and 1320111100.

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, 66005546 + ... + 66005565.

It is an arithmetic number, because the mean of its divisors is an integer number (297025002).

Almost surely, 2^1320111110 is an apocalyptic number.

1320111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320111110 is a deficient number, since it is larger than the sum of its proper divisors (1056088906).

1320111110 is a wasteful number, since it uses less digits than its factorization.

1320111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132011118.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1320111110 is about 36333.3333180428. Note that the first 4 decimals coincide. The cubic root of 1320111110 is about 1096.9920882521.

Adding to 1320111110 its reverse (111110231), we get a palindrome (1431221341).

The spelling of 1320111110 in words is "one billion, three hundred twenty million, one hundred eleven thousand, one hundred ten".