1101112312321 has 8 divisors (see below), whose sum is σ = 1258423689600. Its totient is φ = 943803339648.

The previous prime is 1101112312243. The next prime is 1101112312327. The reversal of 1101112312321 is 1232132111011.

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 1101112312321 - 2⁷ = 1101112312193 is a prime.

It is a super-3 number, since 3×1101112312321³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101112312327) 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, 519345 + ... + 1572241.

It is an arithmetic number, because the mean of its divisors is an integer number (157302961200).

Almost surely, 2^{1101112312321} is an apocalyptic number.

It is an amenable number.

1101112312321 is a deficient number, since it is larger than the sum of its proper divisors (157311377279).

1101112312321 is a wasteful number, since it uses less digits than its factorization.

1101112312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202303.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1101112312321 its reverse (1232132111011), we get a palindrome (2333244423332).

The spelling of 1101112312321 in words is "one trillion, one hundred one billion, one hundred twelve million, three hundred twelve thousand, three hundred twenty-one".