111001230312321 has 4 divisors (see below), whose sum is σ = 148001640416432. Its totient is φ = 74000820208212.

The previous prime is 111001230312319. The next prime is 111001230312347. The reversal of 111001230312321 is 123213032100111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111001230312321 - 2¹ = 111001230312319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111001230313321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18500205052051 + ... + 18500205052056.

It is an arithmetic number, because the mean of its divisors is an integer number (37000410104108).

Almost surely, 2^{111001230312321} is an apocalyptic number.

It is an amenable number.

111001230312321 is a deficient number, since it is larger than the sum of its proper divisors (37000410104111).

111001230312321 is an equidigital number, since it uses as much as digits as its factorization.

111001230312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37000410104110.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 111001230312321 its reverse (123213032100111), we get a palindrome (234214262412432).

The spelling of 111001230312321 in words is "one hundred eleven trillion, one billion, two hundred thirty million, three hundred twelve thousand, three hundred twenty-one".