1011120321 has 8 divisors (see below), whose sum is σ = 1419116320. Its totient is φ = 638602272.

The previous prime is 1011120281. The next prime is 1011120377. The reversal of 1011120321 is 1230211101.

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

It is not a de Polignac number, because 1011120321 - 2¹⁰ = 1011119297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011120297 and 1011120306.

It is not an unprimeable number, because it can be changed into a prime (1011120391) 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 7 ways as a sum of consecutive naturals, for example, 8869420 + ... + 8869533.

It is an arithmetic number, because the mean of its divisors is an integer number (177389540).

Almost surely, 2^1011120321 is an apocalyptic number.

It is an amenable number.

1011120321 is a deficient number, since it is larger than the sum of its proper divisors (407995999).

1011120321 is a wasteful number, since it uses less digits than its factorization.

1011120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17738975.

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

The square root of 1011120321 is about 31798.1181990381. The cubic root of 1011120321 is about 1003.6931177576.

Adding to 1011120321 its reverse (1230211101), we get a palindrome (2241331422).

The spelling of 1011120321 in words is "one billion, eleven million, one hundred twenty thousand, three hundred twenty-one".