1105111321 has 8 divisors (see below), whose sum is σ = 1129956480. Its totient is φ = 1080414192.

The previous prime is 1105111313. The next prime is 1105111349. The reversal of 1105111321 is 1231115011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1105111321 - 2³ = 1105111313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1105111295 and 1105111304.

It is not an unprimeable number, because it can be changed into a prime (1105111351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21841 + ... + 51838.

It is an arithmetic number, because the mean of its divisors is an integer number (141244560).

Almost surely, 2^1105111321 is an apocalyptic number.

It is an amenable number.

1105111321 is a deficient number, since it is larger than the sum of its proper divisors (24845159).

1105111321 is an equidigital number, since it uses as much as digits as its factorization.

1105111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74015.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 1105111321 is about 33243.2146610402. The cubic root of 1105111321 is about 1033.8765286860.

Adding to 1105111321 its reverse (1231115011), we get a palindrome (2336226332).

The spelling of 1105111321 in words is "one billion, one hundred five million, one hundred eleven thousand, three hundred twenty-one".