111212435201044 has 12 divisors (see below), whose sum is σ = 194621900028724. Its totient is φ = 55606178049984.

The previous prime is 111212435201011. The next prime is 111212435201059. The reversal of 111212435201044 is 440102534212111.

It can be written as a sum of positive squares in 2 ways, for example, as 91717013610000 + 19495421591044 = 9576900^2 + 4415362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111212435200997 and 111212435201015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032817 + ... + 15219160.

Almost surely, 2^{111212435201044} is an apocalyptic number.

It is an amenable number.

111212435201044 is a deficient number, since it is larger than the sum of its proper divisors (83409464827680).

111212435201044 is a wasteful number, since it uses less digits than its factorization.

111212435201044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19775274 (or 19775272 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 111212435201044 its reverse (440102534212111), we get a palindrome (551314969413155).

The spelling of 111212435201044 in words is "one hundred eleven trillion, two hundred twelve billion, four hundred thirty-five million, two hundred one thousand, forty-four".