11111002010201 has 4 divisors (see below), whose sum is σ = 11111011671732. Its totient is φ = 11110992348672.

The previous prime is 11111002010153. The next prime is 11111002010243. The reversal of 11111002010201 is 10201020011111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1300794994576 + 9810207015625 = 1140524^2 + 3132125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111002010201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111002013201) 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, 2829320 + ... + 5497913.

It is an arithmetic number, because the mean of its divisors is an integer number (2777752917933).

Almost surely, 2^{11111002010201} is an apocalyptic number.

It is an amenable number.

11111002010201 is a deficient number, since it is larger than the sum of its proper divisors (9661531).

11111002010201 is an equidigital number, since it uses as much as digits as its factorization.

11111002010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9661530.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11111002010201 its reverse (10201020011111), we get a palindrome (21312022021312).

The spelling of 11111002010201 in words is "eleven trillion, one hundred eleven billion, two million, ten thousand, two hundred one".