1101323221321 has 8 divisors (see below), whose sum is σ = 1110262279104. Its totient is φ = 1092392224560.

The previous prime is 1101323221309. The next prime is 1101323221331. The reversal of 1101323221321 is 1231223231011.

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 1101323221321 - 2¹¹ = 1101323219273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101323221292 and 1101323221301.

It is not an unprimeable number, because it can be changed into a prime (1101323221331) 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, 1740750 + ... + 2287543.

It is an arithmetic number, because the mean of its divisors is an integer number (138782784888).

Almost surely, 2^{1101323221321} is an apocalyptic number.

It is an amenable number.

1101323221321 is a deficient number, since it is larger than the sum of its proper divisors (8939057783).

1101323221321 is a wasteful number, since it uses less digits than its factorization.

1101323221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030511.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1101323221321 its reverse (1231223231011), we get a palindrome (2332546452332).

The spelling of 1101323221321 in words is "one trillion, one hundred one billion, three hundred twenty-three million, two hundred twenty-one thousand, three hundred twenty-one".