1101214321 has 4 divisors (see below), whose sum is σ = 1165991652. Its totient is φ = 1036436992.

The previous prime is 1101214319. The next prime is 1101214339. The reversal of 1101214321 is 1234121011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1026305296 + 74909025 = 32036^2 + 8655^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101214321 - 2¹ = 1101214319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101214295 and 1101214304.

It is not an unprimeable number, because it can be changed into a prime (1101214381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32388640 + ... + 32388673.

It is an arithmetic number, because the mean of its divisors is an integer number (291497913).

Almost surely, 2^1101214321 is an apocalyptic number.

It is an amenable number.

1101214321 is a deficient number, since it is larger than the sum of its proper divisors (64777331).

1101214321 is an equidigital number, since it uses as much as digits as its factorization.

1101214321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64777330.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1101214321 is about 33184.5494319269. The cubic root of 1101214321 is about 1032.6598301350.

Adding to 1101214321 its reverse (1234121011), we get a palindrome (2335335332).

The spelling of 1101214321 in words is "one billion, one hundred one million, two hundred fourteen thousand, three hundred twenty-one".