1011103232321 has 8 divisors (see below), whose sum is σ = 1244434747584. Its totient is φ = 799993766160.

The previous prime is 1011103232297. The next prime is 1011103232371. The reversal of 1011103232321 is 1232323011101.

It is a happy number.

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 1011103232321 - 2²⁶ = 1011036123457 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011103232293 and 1011103232302.

It is not an unprimeable number, because it can be changed into a prime (1011103232371) 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, 5555512175 + ... + 5555512356.

It is an arithmetic number, because the mean of its divisors is an integer number (155554343448).

Almost surely, 2^{1011103232321} is an apocalyptic number.

It is an amenable number.

1011103232321 is a deficient number, since it is larger than the sum of its proper divisors (233331515263).

1011103232321 is a wasteful number, since it uses less digits than its factorization.

1011103232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111024551.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1011103232321 its reverse (1232323011101), we get a palindrome (2243426243422).

The spelling of 1011103232321 in words is "one trillion, eleven billion, one hundred three million, two hundred thirty-two thousand, three hundred twenty-one".