11001120321 has 8 divisors (see below), whose sum is σ = 14737678624. Its totient is φ = 7299321120.

The previous prime is 11001120313. The next prime is 11001120323. The reversal of 11001120321 is 12302110011.

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

It is not a de Polignac number, because 11001120321 - 2³ = 11001120313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001120297 and 11001120306.

It is not an unprimeable number, because it can be changed into a prime (11001120323) 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, 8689036 + ... + 8690301.

It is an arithmetic number, because the mean of its divisors is an integer number (1842209828).

Almost surely, 2^11001120321 is an apocalyptic number.

It is an amenable number.

11001120321 is a deficient number, since it is larger than the sum of its proper divisors (3736558303).

11001120321 is a wasteful number, since it uses less digits than its factorization.

11001120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17379551.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11001120321 its reverse (12302110011), we get a palindrome (23303230332).

The spelling of 11001120321 in words is "eleven billion, one million, one hundred twenty thousand, three hundred twenty-one".