111012023321321 has 8 divisors (see below), whose sum is σ = 111655352721864. Its totient is φ = 110368712787840.

The previous prime is 111012023321267. The next prime is 111012023321341. The reversal of 111012023321321 is 123123320210111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45742767955600 + 65269255365721 = 6763340^2 + 8078939^2 .

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

It is not a de Polignac number, because 111012023321321 - 2⁶ = 111012023321257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111012023321341) 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, 7171715 + ... + 16536551.

It is an arithmetic number, because the mean of its divisors is an integer number (13956919090233).

Almost surely, 2^{111012023321321} is an apocalyptic number.

It is an amenable number.

111012023321321 is a deficient number, since it is larger than the sum of its proper divisors (643329400543).

111012023321321 is an equidigital number, since it uses as much as digits as its factorization.

111012023321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9433531.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 111012023321321 its reverse (123123320210111), we get a palindrome (234135343531432).

The spelling of 111012023321321 in words is "one hundred eleven trillion, twelve billion, twenty-three million, three hundred twenty-one thousand, three hundred twenty-one".