1101163321 has 8 divisors (see below), whose sum is σ = 1206142920. Its totient is φ = 1000651008.

The previous prime is 1101163319. The next prime is 1101163331. The reversal of 1101163321 is 1233611011.

It can be written as a sum of positive squares in 4 ways, for example, as 413674921 + 687488400 = 20339^2 + 26220^2 .

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

It is not a de Polignac number, because 1101163321 - 2¹ = 1101163319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101163331) 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, 1116306 + ... + 1117291.

It is an arithmetic number, because the mean of its divisors is an integer number (150767865).

Almost surely, 2^1101163321 is an apocalyptic number.

It is an amenable number.

1101163321 is a deficient number, since it is larger than the sum of its proper divisors (104979599).

1101163321 is a wasteful number, since it uses less digits than its factorization.

1101163321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233643.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1101163321 is about 33183.7809931298. The cubic root of 1101163321 is about 1032.6438881991.

Adding to 1101163321 its reverse (1233611011), we get a palindrome (2334774332).

The spelling of 1101163321 in words is "one billion, one hundred one million, one hundred sixty-three thousand, three hundred twenty-one".