11111002106 has 8 divisors (see below), whose sum is σ = 16680961524. Its totient is φ = 5550681600.

The previous prime is 11111002099. The next prime is 11111002181. The reversal of 11111002106 is 60120011111.

It can be written as a sum of positive squares in 2 ways, for example, as 8745055225 + 2365946881 = 93515^2 + 48641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2406845 + ... + 2411456.

Almost surely, 2^11111002106 is an apocalyptic number.

11111002106 is a deficient number, since it is larger than the sum of its proper divisors (5569959418).

11111002106 is a wasteful number, since it uses less digits than its factorization.

11111002106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819456.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11111002106 its reverse (60120011111), we get a palindrome (71231013217).

The spelling of 11111002106 in words is "eleven billion, one hundred eleven million, two thousand, one hundred six".