11201110011205 has 4 divisors (see below), whose sum is σ = 13441332013452. Its totient is φ = 8960888008960.

The previous prime is 11201110011197. The next prime is 11201110011233. The reversal of 11201110011205 is 50211001110211.

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 6531919400644 + 4669190610561 = 2555762^2 + 2160831^2 .

It is not a de Polignac number, because 11201110011205 - 2³ = 11201110011197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120111001116 + ... + 1120111001125.

It is an arithmetic number, because the mean of its divisors is an integer number (3360333003363).

Almost surely, 2^{11201110011205} is an apocalyptic number.

It is an amenable number.

11201110011205 is a deficient number, since it is larger than the sum of its proper divisors (2240222002247).

11201110011205 is an equidigital number, since it uses as much as digits as its factorization.

11201110011205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240222002246.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 11201110011205 its reverse (50211001110211), we get a palindrome (61412111121416).

The spelling of 11201110011205 in words is "eleven trillion, two hundred one billion, one hundred ten million, eleven thousand, two hundred five".