111132321132121 has 8 divisors (see below), whose sum is σ = 117764641427400. Its totient is φ = 104510570274048.

The previous prime is 111132321132101. The next prime is 111132321132139. The reversal of 111132321132121 is 121231123231111.

It can be written as a sum of positive squares in 4 ways, for example, as 47634691400521 + 63497629731600 = 6901789^2 + 7968540^2 .

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 111132321132121 - 2⁵ = 111132321132089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111132321132101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2642337646 + ... + 2642379703.

It is an arithmetic number, because the mean of its divisors is an integer number (14720580178425).

Almost surely, 2^{111132321132121} is an apocalyptic number.

It is an amenable number.

111132321132121 is a deficient number, since it is larger than the sum of its proper divisors (6632320295279).

111132321132121 is a wasteful number, since it uses less digits than its factorization.

111132321132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284718603.

The product of its digits is 432, while the sum is 25.

Adding to 111132321132121 its reverse (121231123231111), we get a palindrome (232363444363232).

The spelling of 111132321132121 in words is "one hundred eleven trillion, one hundred thirty-two billion, three hundred twenty-one million, one hundred thirty-two thousand, one hundred twenty-one".