111401112230144 has 72 divisors (see below), whose sum is σ = 242587221825312. Its totient is φ = 50635831685120.

The previous prime is 111401112230113. The next prime is 111401112230189. The reversal of 111401112230144 is 441032211104111.

It is a super-2 number, since 2×111401112230144² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146511812 + ... + 147270204.

It is an arithmetic number, because the mean of its divisors is an integer number (3369266969796).

Almost surely, 2^{111401112230144} is an apocalyptic number.

It is an amenable number.

111401112230144 is an abundant number, since it is smaller than the sum of its proper divisors (131186109595168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111401112230144 is an equidigital number, since it uses as much as digits as its factorization.

111401112230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810583 (or 810569 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 111401112230144 its reverse (441032211104111), we get a palindrome (552433323334255).

The spelling of 111401112230144 in words is "one hundred eleven trillion, four hundred one billion, one hundred twelve million, two hundred thirty thousand, one hundred forty-four".