111201444607 has 4 divisors (see below), whose sum is σ = 121310666856. Its totient is φ = 101092222360.

The previous prime is 111201444583. The next prime is 111201444631. The reversal of 111201444607 is 706444102111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (111201444583) and next prime (111201444631).

It is a cyclic number.

It is not a de Polignac number, because 111201444607 - 2⁷ = 111201444479 is a prime.

It is a super-2 number, since 2×111201444607² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201444677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5054611108 + ... + 5054611129.

It is an arithmetic number, because the mean of its divisors is an integer number (30327666714).

Almost surely, 2^111201444607 is an apocalyptic number.

111201444607 is a deficient number, since it is larger than the sum of its proper divisors (10109222249).

111201444607 is a wasteful number, since it uses less digits than its factorization.

111201444607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10109222248.

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 111201444607 its reverse (706444102111), we get a palindrome (817645546718).

The spelling of 111201444607 in words is "one hundred eleven billion, two hundred one million, four hundred forty-four thousand, six hundred seven".