11045351221011 has 24 divisors (see below), whose sum is σ = 16407111006000. Its totient is φ = 7157426825472.

The previous prime is 11045351220941. The next prime is 11045351221013. The reversal of 11045351221011 is 11012215354011.

11045351221011 is a `hidden beast` number, since 1 + 1 + 0 + 4 + 535 + 1 + 22 + 101 + 1 = 666.

It is not a de Polignac number, because 11045351221011 - 2¹⁵ = 11045351188243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11045351221013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116812506 + ... + 116907023.

It is an arithmetic number, because the mean of its divisors is an integer number (683629625250).

Almost surely, 2^{11045351221011} is an apocalyptic number.

11045351221011 is a deficient number, since it is larger than the sum of its proper divisors (5361759784989).

11045351221011 is a wasteful number, since it uses less digits than its factorization.

11045351221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233719683 (or 233719680 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 11045351221011 its reverse (11012215354011), we get a palindrome (22057566575022).

The spelling of 11045351221011 in words is "eleven trillion, forty-five billion, three hundred fifty-one million, two hundred twenty-one thousand, eleven".