1101321443 has 8 divisors (see below), whose sum is σ = 1151520000. Its totient is φ = 1051315848.

The previous prime is 1101321427. The next prime is 1101321457. The reversal of 1101321443 is 3441231011.

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 1101321443 - 2⁴ = 1101321427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101321493) 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, 36503 + ... + 59456.

It is an arithmetic number, because the mean of its divisors is an integer number (143940000).

Almost surely, 2^1101321443 is an apocalyptic number.

1101321443 is a deficient number, since it is larger than the sum of its proper divisors (50198557).

1101321443 is an equidigital number, since it uses as much as digits as its factorization.

1101321443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96481.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1101321443 is about 33186.1634269465. The cubic root of 1101321443 is about 1032.6933134747.

Adding to 1101321443 its reverse (3441231011), we get a palindrome (4542552454).

The spelling of 1101321443 in words is "one billion, one hundred one million, three hundred twenty-one thousand, four hundred forty-three".