111321213103231 has 8 divisors (see below), whose sum is σ = 111759753165984. Its totient is φ = 110882788688640.

The previous prime is 111321213103181. The next prime is 111321213103249. The reversal of 111321213103231 is 132301312123111.

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 111321213103231 - 2¹³ = 111321213095039 is a prime.

It is a super-2 number, since 2×111321213103231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111321213103196 and 111321213103205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111321213103531) 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, 26982826 + ... + 30833671.

It is an arithmetic number, because the mean of its divisors is an integer number (13969969145748).

Almost surely, 2^{111321213103231} is an apocalyptic number.

111321213103231 is a deficient number, since it is larger than the sum of its proper divisors (438540062753).

111321213103231 is an equidigital number, since it uses as much as digits as its factorization.

111321213103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57824081.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 111321213103231 its reverse (132301312123111), we get a palindrome (243622525226342).

The spelling of 111321213103231 in words is "one hundred eleven trillion, three hundred twenty-one billion, two hundred thirteen million, one hundred three thousand, two hundred thirty-one".