111204344113231 has 16 divisors (see below), whose sum is σ = 113867004480768. Its totient is φ = 108545184316800.

The previous prime is 111204344113151. The next prime is 111204344113267. The reversal of 111204344113231 is 132311443402111.

It is a cyclic number.

It is not a de Polignac number, because 111204344113231 - 2¹⁵ = 111204344080463 is a prime.

It is a super-2 number, since 2×111204344113231² (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 = 111204344113193 and 111204344113202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111204324113231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421308960 + ... + 421572826.

It is an arithmetic number, because the mean of its divisors is an integer number (7116687780048).

Almost surely, 2^{111204344113231} is an apocalyptic number.

111204344113231 is a deficient number, since it is larger than the sum of its proper divisors (2662660367537).

111204344113231 is a wasteful number, since it uses less digits than its factorization.

111204344113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270462.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 111204344113231 its reverse (132311443402111), we get a palindrome (243515787515342).

The spelling of 111204344113231 in words is "one hundred eleven trillion, two hundred four billion, three hundred forty-four million, one hundred thirteen thousand, two hundred thirty-one".