111621236241 has 8 divisors (see below), whose sum is σ = 157582921824. Its totient is φ = 70036854080.

The previous prime is 111621236171. The next prime is 111621236273. The reversal of 111621236241 is 142632126111.

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 111621236241 - 2¹³ = 111621228049 is a prime.

It is a super-3 number, since 3×111621236241³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111621236199 and 111621236208.

It is not an unprimeable number, because it can be changed into a prime (111621236141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094325795 + ... + 1094325896.

It is an arithmetic number, because the mean of its divisors is an integer number (19697865228).

Almost surely, 2^111621236241 is an apocalyptic number.

It is an amenable number.

111621236241 is a deficient number, since it is larger than the sum of its proper divisors (45961685583).

111621236241 is a wasteful number, since it uses less digits than its factorization.

111621236241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188651711.

The product of its digits is 3456, while the sum is 30.

The spelling of 111621236241 in words is "one hundred eleven billion, six hundred twenty-one million, two hundred thirty-six thousand, two hundred forty-one".