111002113 has 4 divisors (see below), whose sum is σ = 111036420. Its totient is φ = 110967808.

The previous prime is 111002107. The next prime is 111002137. The reversal of 111002113 is 311200111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54346384 + 56655729 = 7372^2 + 7527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111002113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111002113.

It is not an unprimeable number, because it can be changed into a prime (111002153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11728 + ... + 18961.

It is an arithmetic number, because the mean of its divisors is an integer number (27759105).

Almost surely, 2^111002113 is an apocalyptic number.

It is an amenable number.

111002113 is a deficient number, since it is larger than the sum of its proper divisors (34307).

111002113 is an equidigital number, since it uses as much as digits as its factorization.

111002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34306.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 111002113 is about 10535.7540309178. The cubic root of 111002113 is about 480.5926028579.

Adding to 111002113 its reverse (311200111), we get a palindrome (422202224).

The spelling of 111002113 in words is "one hundred eleven million, two thousand, one hundred thirteen".