11112002000221 has 4 divisors (see below), whose sum is σ = 11127161621692. Its totient is φ = 11096842378752.

The previous prime is 11112002000219. The next prime is 11112002000233. The reversal of 11112002000221 is 12200020021111.

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 5194702497721 + 5917299502500 = 2279189^2 + 2432550^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112002000221 - 2¹ = 11112002000219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112002000201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7579809636 + ... + 7579811101.

It is an arithmetic number, because the mean of its divisors is an integer number (2781790405423).

Almost surely, 2^{11112002000221} is an apocalyptic number.

It is an amenable number.

11112002000221 is a deficient number, since it is larger than the sum of its proper divisors (15159621471).

11112002000221 is an equidigital number, since it uses as much as digits as its factorization.

11112002000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15159621470.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11112002000221 its reverse (12200020021111), we get a palindrome (23312022021332).

The spelling of 11112002000221 in words is "eleven trillion, one hundred twelve billion, two million, two hundred twenty-one", and thus it is an aban number.