111402041224 has 8 divisors (see below), whose sum is σ = 208878827310. Its totient is φ = 55701020608.

The previous prime is 111402041221. The next prime is 111402041239. The reversal of 111402041224 is 422140204111.

It can be written as a sum of positive squares in only one way, i.e., 66606318724 + 44795722500 = 258082^2 + 211650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 111402041195 and 111402041204.

It is not an unprimeable number, because it can be changed into a prime (111402041221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6962627569 + ... + 6962627584.

Almost surely, 2^111402041224 is an apocalyptic number.

It is an amenable number.

111402041224 is a deficient number, since it is larger than the sum of its proper divisors (97476786086).

111402041224 is a wasteful number, since it uses less digits than its factorization.

111402041224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13925255159 (or 13925255155 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 111402041224 its reverse (422140204111), we get a palindrome (533542245335).

The spelling of 111402041224 in words is "one hundred eleven billion, four hundred two million, forty-one thousand, two hundred twenty-four".